dfdsfgf/big_math_dataset · Datasets at Hugging Face

question stringlengths 3 1.14k
If 0.5% of A =65 paise, then the value of A is ?
A boy and a girl appear for an interview against 2 vacant posts in an office. The probability of the boy's selection is 1/5 and that of the girl's selection is 1/3. What is the probability that only 1 of them is selected?
If the length of an edge of cube P is twice the length of an edge of cube Q, what is the ratio of the volume of cube Q to the volume of cube P?
For which of the following functions does f(−y)=−f(y) for all real number values of x?
The area of circle O is added to its diameter. If the circumference of circle O is then subtracted from this total, the result is 12. What is the radius of circle O?
A crow leaves its nest, and flies back and forth from its nest to a nearby ditch to gather worms. The distance between the nest and the ditch is 100 meters. In one and a half hours, the crow manages to bring worms to its nest 15 times. What is the speed of the crow in kilometers per hour?
Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is
What is the greatest positive integer x such that 3^x is a factor of 9^5?
A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:
What is the smallest positive integer x, such that 2160 x is a perfect cube?
A certain computer manufacturing firm last year produced 80 percent of its computers using parts made by its subsidiary company. If the remaining 10,800 computers were produced using parts purchased from another parts manufacturer, how many computers were produced by the computer manufacturing firm altogether?
A takes twice as much time as B or thrice as much time to finish a piece of work.Working together they can finish the work in 2 days.B can do the work alone in:
The average of 10 numbers is calculated as 16. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is?
A college has 10 basketball players. A 5 member's team and a captain will be selected out of these 10 players. How many different selections can be made?
Two numbers are respectively 20% and 50% more than a third number. The percentage that is first of the second is?
Joe's current weekly caloric intake is 20,000 calories. His physician has advised Joe to reduce the number of calories he consumes weekly to 14,000. By what percent does Joe need to reduce his weekly caloric intake?
Evaluate: \|4 - 8(3 - 12)\| - \|5 - 11\| = ?
A certain sum amounts to Rs.675 in 3 years and Rs.850 in 6 years. Find the rate % per annum?
If (a – b) is 7 more than (c + d) and (a + b) is 3 less than (c – d), then (a – c) is:
Frank the Fencemaker needs to fence in a rectangular yard. He fences in the entire yard, except for one full side of the yard, which equals 40 feet. The yard has an area of 480 square feet. How many feet offence does Frank use?
A man buys 12 lts of liquid which contains 10% of the liquid and the rest is water. He then mixes it with 10 lts of another mixture with 30% of liquid. What is the % of water in the new mixture?
If in a box of dimensions 6 m * 5 m * 4 m smaller boxes of dimensions 60 cm * 50 cm * 40 cm are kept in it, then what will be the maximum number of the small boxes that can be kept in it?
If a and b are each greater than x and y, which of the following must be true? I. a + b < x + y II. ab > xy III.a + b > x + y
A rummy( card game) player has 13 cards in his hand with 2 Aces, one of spades and other of hearts. All other cards are unique. How many ways can he hold the 13 cards?
The units digit of (35)^(87) + (93)^(55) is:
If X gets 25% more than Y and Y gets 20% more than Z, the share of Z out of Rs. 740 will be:
When 27 is divided by positive integer n, the remainder is 4. For how many values of n is this true?
Two pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 25hr. If all pipes are opened simultaneously, then the cistern will be filled in
A carpenter constructed a rectangular sandbox with a capacity of 10 cubic feet. If the carpenter were to make a similar sandbox twice as long, twice as wide, and twice as high as the first sandbox, what would be the capacity, in cubic feet, of the second sandbox?
A house seller can deduct 5 percent from the total sales value. If he has sold 5 houses, and the price of two houses is between $150,000 and $250,000, one of them is $400,000 house, two houses are between $500,000 and 750,000, what is the range of his revenue?
Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?
Rs. 800 becomes Rs. 956 in 3 years at a rate of S.I. If the rate of interest is increased by 4%, what amount will Rs. 800 become in 3 years?
Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?
9 men working 8 hours per day dig 30 m deep. How many extra men should be put to dig to a depth of 50 m working 6 hours per day?
The total cost of 100 paper plates and 200 paper cups is $6.00 At the same rates what is the total cost of 20 of the plates and 40 of the cups?
What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
A train is 400 meter long is running at a speed of 60 km/hour. In what time will it pass a bridge of 800 meter length?
The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?
Stacy and Heather are 15 miles apart and walk towards each other along the same route. Stacy walks at constant rate that is 1 mile per hour fast than heather's constant rate of 5 miles/hour. If Heather starts her journey 24 minutes after Stacy, how far from the original destination has Heather walked when the two meet?.
Look at this series: 2, 4, 6, 8, 10, ... What number should come next?
A man gets a simple interest of Rs.500 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate.
The area of a square garden is A square feet and the perimeter is p feet. If a=2p+14.25, what is the perimeter of the garden, in feet?
A gym offers 11 levels of fitness classes, and in an attempt to reward those who progress toward higher levels of fitness it charges $50 less per course for each level of fitness. Jessica completed all 11 levels by taking one course at each level, and her total cost was $4675. What is the cost X for a course at the gym's highest level?
If the average marks of three batches of 62, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is
Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. Child A has to sit next to both BG, with these two children immediately adjacent to here on either side. The other four children can sit in any order in any of the remaining seats. How many possible configurations E are there for the children?
In how many different ways can 2 girls and 2 boys form a circle such that the boys and the girls alternate?
A sum amounts to Rs.8820 in 2 years at the rate of 5% p.a. If interest was compounded yearly then what was the principal?
Due to construction, the speed limit along an 10-mile section of highway is reduced from 55 miles per hour to 30 miles per hour. Approximately how many minutes more will it take to travel along this section of highway at the new speed limit than it would have taken at the old speed limit ?
A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is?
Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of hydrogen are there in 117 grams of water?
Felix earned 70% more per month than Oscar. If Felix’s salary is decreased 10% and Oscar’s salary is increased by 10%, then Felix would be earning what percent more than Oscar?
If g and d are both integers, g>d, and -3g>19, then the largest value of d would be?
A father tells his son, "I was of your present age when you were born." If the father is 36 now, how old was the boy 5 years back?
What percentage loss will a merchant incur if he marks his goods up by x% over his cost price and then offers a discount of x% on his selling price?
If 'A' means '-', 'B' means '/', 'C' means '+', and 'D' means 'X' then Find the value of the following: 21 B 7 C 9 D 10 A 13
B takes 12 more days than A to finish a task. B and A start this task and A leaves the task 12 days before the task is finished. B completes 60% of the overall task. How long would B have taken to finish the task if he had worked independently?
If point A coordinates are (-7, -3) point B coordinates are (7 ,4 ) if C is along the line A-B so that AC = 1/2 CB. What are the coordinates of point C.
A seven-digit combination lock on a safe has zero exactly three times, does not have the digit 1 at all. What is the probability that exactly 3 of its digits are odd?
When XYZ Co discontinued an agency arrangement with John, management held his commission of Rs. 25000/- for one month. Earlier John had availed an advance agency fees of 8280/- from company. But Robert forgot that. After one month John asked his fees and accountant gives Rs.18500/- to him. What is the incentive amount given to John ?
If a^2 + b^2 = 144 and ab ≠ 0, then the greatest possible value for b is between
A is thrice as good a workman as B & therefore is able to finish a job in 45 days less than B. In how many days they can finish the job if they work together?
Set A consists of the following unique integers: -2, 17, 3, n, 2, 15, -3, and -27; which of the following could be the median of set A?
Find the number of different prime factors of 6440
A train 110 meters long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?
If Tim had lunch at $60.80 and he gave 20% tip, how much did he spend?
In a group of cows and chickens, the number of legs was 20 more than twice the number of heads. The number of cows was:
The total number of plums that grow during each year on a certain plum tree is equal to the number of plums that grew during the previous year, less the age of the tree in years (rounded down to the nearest integer). During its 2nd year, the plum tree grew 50 plums. If this trend continues, how many plums will it grow during its 6th year?
A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is the distance between them after 5 minutes?
What is the probability of rolling one six-sided dice, and getting a different number on each die?
Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?
A and B together have Rs. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount. How much amount B have.
A man can swim in still water at 7.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is?
A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?
A boat can move upstream at 30 kmph and downstream at 35 kmph, then the speed of the current is?
The ratio of two numbers is 3:4 and their sum is 14. The greater of the two numbers is?
The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students?
A dishonest dealer professes to sell goods at the cost price but uses a false weight and gains 25%. Find his false weight age?
A man saves Rs 150 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years.
A number when divided by 214 gives a remainder 35, what remainder will be obtained by dividing the same number 14?
If x is chosen at random from the set {1, 2, 3, 4} and y is to be chosen at random from the set {5, 6, 7}, then what is the probability that xy will be even?
A circular jogging track forms the edge of a circular lake that has a diameter of 2 miles. Johanna walked once around the track at the average speed of 5 miles per hour. If t represents the number of hours it took Johanna to walk completely around the lake, which of the following is a correct statement?
A horse and cow were sold for Rs.12000 each. The horse was sold at a loss of 20% and the cow at a gain of 20%. The entire transaction resulted in :
A train passes a station platform in 42 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?
The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be?
In how many ways can you seat 7 people on a bench if one of them, Rohit, does not want to sit on the middle seat or at either end?
Which of the following fractions is the largest?
Ramesh purchased a refrigerator for Rs. 12500 after getting a discount of 20% on the labelled price. He spent Rs. 125 on transport and Rs. 250 on installation. At what price should it be sold so that the profit earned would be 10% if no discount was offered?
An automobile company has a production target to get profits annually. The target production this year is 1/10 of last year's production. If the target production is reduced by 20% of last year's target what percentage of target production of last year's target does he need to complete in order to get profit?
A merchant has announced 25% rebate on prices of ready-made garments at the time of sale. If a purchaser needs to have a rebate of Rs. 400, then how many shirts, each costing Rs. 320, should he purchase?
A, B, C enter into a partnership investing Rs. 35,000, Rs. 45,000 and Rs. 55,000 respectively. The respective shares of A, B, C in annual profit of Rs. 40,500 are?
If k is a positive even integer, what is the smallest possible value of k such that 3675*k is the square of an integer?
Two trains are traveling on parallel tracks in the same direction. The faster train travels at 130 miles per hour, while the slower train travels at 80 miles per hour. At 2 o’clock the faster train is 20 miles behind the slower one. How far apart are the two trains at 5 o'clock?
An oil cylinder was 3/4th full. When SIX bottles of oil is poured into it, it is 4/5th full. How many bottles of oil can the full cylinder hold?
How many cuboids of length 5 m, width 6 m and height 3 m can be farmed from a cuboid of 18 m length, 15 m width and 2 m height.
What is the units digit of (22^4)(16^3)(41^8)?
A bus starts from city X. The number of women in the bus is half of the number of men. In city Y, 14 men leave the bus and seven women enter. Now, number of men and women is equal. In the beginning, how many passengers entered the bus ?
A box contains 10 black,5 red and 4 green marbles. 3 marbles are drawn from the box at random. What is the probability that all the three marbles are of the same color?
The cost price of 12 articles is equal to the selling price of 10 articles. What is the profit percent?
Calculate 469157 x 9999 = ?
Anmol can eat 27 pastries in a hour. Aakriti can eat 2 pastries in 10 minutes. Divya can eat 7 pastries in 20 minutes. How long will it take them to eat a 180 pastries ?

If 0.5% of A =65 paise, then the value of A is ?

A boy and a girl appear for an interview against 2 vacant posts in an office. The probability of the boy's selection is 1/5 and that of the girl's selection is 1/3. What is the probability that only 1 of them is selected?

If the length of an edge of cube P is twice the length of an edge of cube Q, what is the ratio of the volume of cube Q to the volume of cube P?

For which of the following functions does f(−y)=−f(y) for all real number values of x?

The area of circle O is added to its diameter. If the circumference of circle O is then subtracted from this total, the result is 12. What is the radius of circle O?

A crow leaves its nest, and flies back and forth from its nest to a nearby ditch to gather worms. The distance between the nest and the ditch is 100 meters. In one and a half hours, the crow manages to bring worms to its nest 15 times. What is the speed of the crow in kilometers per hour?

Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is

What is the greatest positive integer x such that 3^x is a factor of 9^5?

A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:

What is the smallest positive integer x, such that 2160 x is a perfect cube?

A certain computer manufacturing firm last year produced 80 percent of its computers using parts made by its subsidiary company. If the remaining 10,800 computers were produced using parts purchased from another parts manufacturer, how many computers were produced by the computer manufacturing firm altogether?

A takes twice as much time as B or thrice as much time to finish a piece of work.Working together they can finish the work in 2 days.B can do the work alone in:

The average of 10 numbers is calculated as 16. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is?

A college has 10 basketball players. A 5 member's team and a captain will be selected out of these 10 players. How many different selections can be made?

Two numbers are respectively 20% and 50% more than a third number. The percentage that is first of the second is?

Joe's current weekly caloric intake is 20,000 calories. His physician has advised Joe to reduce the number of calories he consumes weekly to 14,000. By what percent does Joe need to reduce his weekly caloric intake?

Evaluate: |4 - 8(3 - 12)| - |5 - 11| = ?

A certain sum amounts to Rs.675 in 3 years and Rs.850 in 6 years. Find the rate % per annum?

If (a – b) is 7 more than (c + d) and (a + b) is 3 less than (c – d), then (a – c) is:

Frank the Fencemaker needs to fence in a rectangular yard. He fences in the entire yard, except for one full side of the yard, which equals 40 feet. The yard has an area of 480 square feet. How many feet offence does Frank use?

A man buys 12 lts of liquid which contains 10% of the liquid and the rest is water. He then mixes it with 10 lts of another mixture with 30% of liquid. What is the % of water in the new mixture?

If in a box of dimensions 6 m * 5 m * 4 m smaller boxes of dimensions 60 cm * 50 cm * 40 cm are kept in it, then what will be the maximum number of the small boxes that can be kept in it?

If a and b are each greater than x and y, which of the following must be true? I. a + b < x + y II. ab > xy III.a + b > x + y

A rummy( card game) player has 13 cards in his hand with 2 Aces, one of spades and other of hearts. All other cards are unique. How many ways can he hold the 13 cards?

The units digit of (35)^(87) + (93)^(55) is:

If X gets 25% more than Y and Y gets 20% more than Z, the share of Z out of Rs. 740 will be:

When 27 is divided by positive integer n, the remainder is 4. For how many values of n is this true?

Two pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 25hr. If all pipes are opened simultaneously, then the cistern will be filled in

A carpenter constructed a rectangular sandbox with a capacity of 10 cubic feet. If the carpenter were to make a similar sandbox twice as long, twice as wide, and twice as high as the first sandbox, what would be the capacity, in cubic feet, of the second sandbox?

A house seller can deduct 5 percent from the total sales value. If he has sold 5 houses, and the price of two houses is between $150,000 and $250,000, one of them is $400,000 house, two houses are between $500,000 and 750,000, what is the range of his revenue?

Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?

Rs. 800 becomes Rs. 956 in 3 years at a rate of S.I. If the rate of interest is increased by 4%, what amount will Rs. 800 become in 3 years?

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?

9 men working 8 hours per day dig 30 m deep. How many extra men should be put to dig to a depth of 50 m working 6 hours per day?

The total cost of 100 paper plates and 200 paper cups is $6.00 At the same rates what is the total cost of 20 of the plates and 40 of the cups?

What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?

A train is 400 meter long is running at a speed of 60 km/hour. In what time will it pass a bridge of 800 meter length?

The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?

Stacy and Heather are 15 miles apart and walk towards each other along the same route. Stacy walks at constant rate that is 1 mile per hour fast than heather's constant rate of 5 miles/hour. If Heather starts her journey 24 minutes after Stacy, how far from the original destination has Heather walked when the two meet?.

Look at this series: 2, 4, 6, 8, 10, ... What number should come next?

A man gets a simple interest of Rs.500 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate.

The area of a square garden is A square feet and the perimeter is p feet. If a=2p+14.25, what is the perimeter of the garden, in feet?

A gym offers 11 levels of fitness classes, and in an attempt to reward those who progress toward higher levels of fitness it charges $50 less per course for each level of fitness. Jessica completed all 11 levels by taking one course at each level, and her total cost was $4675. What is the cost X for a course at the gym's highest level?

If the average marks of three batches of 62, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is

Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. Child A has to sit next to both BG, with these two children immediately adjacent to here on either side. The other four children can sit in any order in any of the remaining seats. How many possible configurations E are there for the children?

In how many different ways can 2 girls and 2 boys form a circle such that the boys and the girls alternate?

A sum amounts to Rs.8820 in 2 years at the rate of 5% p.a. If interest was compounded yearly then what was the principal?

Due to construction, the speed limit along an 10-mile section of highway is reduced from 55 miles per hour to 30 miles per hour. Approximately how many minutes more will it take to travel along this section of highway at the new speed limit than it would have taken at the old speed limit ?

A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is?

Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of hydrogen are there in 117 grams of water?

Felix earned 70% more per month than Oscar. If Felix’s salary is decreased 10% and Oscar’s salary is increased by 10%, then Felix would be earning what percent more than Oscar?

If g and d are both integers, g>d, and -3g>19, then the largest value of d would be?

A father tells his son, "I was of your present age when you were born." If the father is 36 now, how old was the boy 5 years back?

What percentage loss will a merchant incur if he marks his goods up by x% over his cost price and then offers a discount of x% on his selling price?

If 'A' means '-', 'B' means '/', 'C' means '+', and 'D' means 'X' then Find the value of the following: 21 B 7 C 9 D 10 A 13

B takes 12 more days than A to finish a task. B and A start this task and A leaves the task 12 days before the task is finished. B completes 60% of the overall task. How long would B have taken to finish the task if he had worked independently?

If point A coordinates are (-7, -3) point B coordinates are (7 ,4 ) if C is along the line A-B so that AC = 1/2 CB. What are the coordinates of point C.

A seven-digit combination lock on a safe has zero exactly three times, does not have the digit 1 at all. What is the probability that exactly 3 of its digits are odd?

When XYZ Co discontinued an agency arrangement with John, management held his commission of Rs. 25000/- for one month. Earlier John had availed an advance agency fees of 8280/- from company. But Robert forgot that. After one month John asked his fees and accountant gives Rs.18500/- to him. What is the incentive amount given to John ?

If a^2 + b^2 = 144 and ab ≠ 0, then the greatest possible value for b is between

A is thrice as good a workman as B & therefore is able to finish a job in 45 days less than B. In how many days they can finish the job if they work together?

Set A consists of the following unique integers: -2, 17, 3, n, 2, 15, -3, and -27; which of the following could be the median of set A?

Find the number of different prime factors of 6440

A train 110 meters long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?

If Tim had lunch at $60.80 and he gave 20% tip, how much did he spend?

In a group of cows and chickens, the number of legs was 20 more than twice the number of heads. The number of cows was:

The total number of plums that grow during each year on a certain plum tree is equal to the number of plums that grew during the previous year, less the age of the tree in years (rounded down to the nearest integer). During its 2nd year, the plum tree grew 50 plums. If this trend continues, how many plums will it grow during its 6th year?

A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is the distance between them after 5 minutes?

What is the probability of rolling one six-sided dice, and getting a different number on each die?

Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?

A and B together have Rs. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount. How much amount B have.

A man can swim in still water at 7.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is?

A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?

A boat can move upstream at 30 kmph and downstream at 35 kmph, then the speed of the current is?

The ratio of two numbers is 3:4 and their sum is 14. The greater of the two numbers is?

The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students?

A dishonest dealer professes to sell goods at the cost price but uses a false weight and gains 25%. Find his false weight age?

A man saves Rs 150 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years.

A number when divided by 214 gives a remainder 35, what remainder will be obtained by dividing the same number 14?

If x is chosen at random from the set {1, 2, 3, 4} and y is to be chosen at random from the set {5, 6, 7}, then what is the probability that xy will be even?

A circular jogging track forms the edge of a circular lake that has a diameter of 2 miles. Johanna walked once around the track at the average speed of 5 miles per hour. If t represents the number of hours it took Johanna to walk completely around the lake, which of the following is a correct statement?

A horse and cow were sold for Rs.12000 each. The horse was sold at a loss of 20% and the cow at a gain of 20%. The entire transaction resulted in :

A train passes a station platform in 42 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be?

In how many ways can you seat 7 people on a bench if one of them, Rohit, does not want to sit on the middle seat or at either end?

Which of the following fractions is the largest?

Ramesh purchased a refrigerator for Rs. 12500 after getting a discount of 20% on the labelled price. He spent Rs. 125 on transport and Rs. 250 on installation. At what price should it be sold so that the profit earned would be 10% if no discount was offered?

An automobile company has a production target to get profits annually. The target production this year is 1/10 of last year's production. If the target production is reduced by 20% of last year's target what percentage of target production of last year's target does he need to complete in order to get profit?

A merchant has announced 25% rebate on prices of ready-made garments at the time of sale. If a purchaser needs to have a rebate of Rs. 400, then how many shirts, each costing Rs. 320, should he purchase?

A, B, C enter into a partnership investing Rs. 35,000, Rs. 45,000 and Rs. 55,000 respectively. The respective shares of A, B, C in annual profit of Rs. 40,500 are?

If k is a positive even integer, what is the smallest possible value of k such that 3675*k is the square of an integer?

Two trains are traveling on parallel tracks in the same direction. The faster train travels at 130 miles per hour, while the slower train travels at 80 miles per hour. At 2 o’clock the faster train is 20 miles behind the slower one. How far apart are the two trains at 5 o'clock?

An oil cylinder was 3/4th full. When SIX bottles of oil is poured into it, it is 4/5th full. How many bottles of oil can the full cylinder hold?

How many cuboids of length 5 m, width 6 m and height 3 m can be farmed from a cuboid of 18 m length, 15 m width and 2 m height.

What is the units digit of (22^4)(16^3)(41^8)?

A bus starts from city X. The number of women in the bus is half of the number of men. In city Y, 14 men leave the bus and seven women enter. Now, number of men and women is equal. In the beginning, how many passengers entered the bus ?

A box contains 10 black,5 red and 4 green marbles. 3 marbles are drawn from the box at random. What is the probability that all the three marbles are of the same color?

The cost price of 12 articles is equal to the selling price of 10 articles. What is the profit percent?

Calculate 469157 x 9999 = ?

Anmol can eat 27 pastries in a hour. Aakriti can eat 2 pastries in 10 minutes. Divya can eat 7 pastries in 20 minutes. How long will it take them to eat a 180 pastries ?