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There are 4 bottles with the same number balls m respectively. If balls from only the 1-st bottle are moved to the other 3 bottles and finally the ratio of the numbers of balls in the bottles is 1 : 6 : 5 : 4, what fraction does the moved balls represent in terms of m?
Which of the following will divide evenly into 507,406,520?
In a class there are 20 boys and 20 girls. In how many ways can a boy and a girl be selected?
A circular well with a diameter of 2 metres, is dug to a depth of 4 metres. What is the volume of the earth dug out?
If x^6 > x^9 > x^7, which of the following could be the value of x?
A grocer has a sale of Rs. 8435, Rs. 8927, Rs. 8855, Rs. 9230 and Rs. 8562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 8500?
A furniture manufacturer has two machines, but only one can be used at a time. Machine K is utilized during the first shift and Machine B during the second shift, while both work half of the third shift. If Machine K can do the job in 12 days working two shifts and Machine B can do the job in 15 days working two shifts, how many days will it take to do the job with the current work schedule?
Mariah has decided to hire three workers. To determine whom she will hire, she has selected a group of 17 candidates. She plans to have one working interview with 3 of the 17 candidates every day to see how well they work together. How many days will it take her to have working interviews with all the different combinations of job candidates?
Three numbers are in the ratio 3:5:7. The largest number value is 56. Find difference between Smallest & largest number is?
The population of a town increased from 1,34,000 to 2,32,500 in a decade. The average percent increase of population per year is:
A car crosses a 720 m long bridge in 2 minutes. What is the speed of car in km per hour?
Sara has $460 in 5-and 10-dollar bills only. If she has fewer 10-than 5-dollar bills, what is the least possible number of 5-dollar bills she could have?
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
P and Q started a business investing Rs 75000 and Rs 15000 resp. In what ratio the profit earned after 2 years be divided between P and Q respectively.
An express traveled at an average speed of 100 km/hr, stopping for 3 min after every 75 kn. How long did it take to reach its destination 600 km from the starting point?
The sum of four consecutive even numbers is 292. What would be the smallest number?
5 3 -2 -5 -3 2....What is the sum of first thirty number sequence?
In an examination, the percentage of students qualified to the students appeared from school 'P' is 70%. In school 'Q', the number of students appeared is 30% more than the students appeared from school 'P' and the number of students qualified from school 'Q' is 50% more than the students qualified from school 'P'. What is the % of students qualified to the number of students appeared from school 'Q' ?
The average height of 30 girls out of a class of 40 is 160 cm. and that of the remaining girls is 156 cm. The average height of the whole class is :
Find a sum for first 9 prime numbers?
The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?
A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?
If, 1 * 3 * 5 = 16 3 * 5 * 7 = 38 Then find, 13 * 15 * 17 =?
If the city centers of Tokyo and London are 5936 miles apart, which of the following is closest to the distance between the city centers in inches? (There are 5,280 feet in a mile.)
a, b, c and d are four consecutive numbers. If the sum of a and dis 103, what is the product of b and c?
From the word 'TEA', how many independent words can be made with-out changing the order of the letters and using each letter only once ?
A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum ?
. In a certain city, 60 percent of the registered voters are Democrats and the rest are Republicans. In a mayoral race, if 70 percent of the registered voters who are Democrats and 20 percent of the registered voters who are Republicans are expected to vote for Candidate A, what percent of the registered voters are expected to vote for Candidate A ?
A man rows to a place 48 km distance and back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
How many bricks, each measuring 25cm11.25cm6cm, will be needed to build a wall 8m6m22.5m
A young girl counted in the following way on the fingers of her left hand. She started collang the thumb 1, the index finger 2, the middle finger 3, the ring finger 4, the little finger 5, then reversed direction calling the ring finger 6, the the middle finger 7, the index finger 8, the thumb 9 then back to the index finger for 10, the middel finger for 11, and so on. She counted up to 1996. She ended on her
If Re.1 amounts to Rs.9 over a period of 20 years. What is the rate of simple interest?
The average age of 10 men increases by 6 years when two women are included in place of two men of ages 18 and 22 years. Find the average age of the women?
Ella picked a number of pears, each of which she sold, canned, or poached. If she canned 60 percent more than she poached, and she poached 10 percent less than she sold. If there were a total of 501 pears, then how many pears did she sell?
A reduction of 20% in the price of salt enables a lady to obtain 10kgs more for Rs.100, find the original price per kg?
One-seventh of the light switches produced by a certain factory are defective. Four-fifths of the defective switches are rejected and 1/20 of the non defective switches are rejected by mistake. If all the switches not rejected are sold, what percent of the switches sold by the factory are defective?
Which of the following inequalities is equivalent to 11 - 11x > 133?
Find the value of x in (x/5)+3=4.
A man buys an article and sells it at a profit of 20%. If he had bought it at 20% less and sold it for Rs.50 less, he could have gained 25%. What is the cost price?
A person covered one-fourth of the total distance at 14 kmph and remaining distance at 24 kmph. What is the average speed for the total distance?
When the price of a product was decreased by 20%, the number sold increased by 60%. What was the effect on the total revenue ?
A squirrel can climb 5 metres of a pole in one minute but slips 2 metres in the next minute. How much time will the squirrel take to climb 26 metres?
The average wages of a worker during a fortnight comprising 15 consecutive working days was $90 per day. During the first 7 days, his average wages was $87 per day and the average wages during the last 7 days was $95 per day. What was his wage on the 8th day?
Walking 6/7th of his usual speed, a man is 12 minutes too late. The usual time taken by him to cover that distance is :
U is a set containing 8 different positive odd numbers. V is a set containing 7 different numbers, all of which are members of U. Which of the following statements CANNOT be true?
Tanks A and B are each in the shape of a right circular cylinder. The interior of tank A has a height of 10 meters and a circumference of 7 meters, and the interior of tank B has a height of 7 meters and a circumference of 10 meters. The capacity of tank A is what percent of the capacity of tank B?
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 4 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?
How much interest can a person get on Rs. 8200 at 10.5% p.a. simple interest for a period of six years and six months?
Two brother X and Y appeared for an exam. The probability of selection of X is 1/5 and that of B is 2/7. Find the probability that both of them are selected.
Divide Rs. 1500 among A, B and C so that A receives 1/3 as much as B and C together and B receives 2/3 as A and C together. A's share is?
There is a 4 digit no. in which 3rd digit is twice of first one. Second digit is the sum of first and third. Fourth digit is twice of third. What is the no?
Find the circumference and area of radius 11 cm.
A student gets 55% in one subject, 65% in the other. To get an overall of 55% how much should get in third subject.
A train 385 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?
What is the probability that the sum of two dice will yield a 8, and then when both are thrown again, their sum will again yield a 8? assume that each die has 7 sides with faces numbered 1 to 7.
In a kilometer race, A beats B by 20 meters or 10 seconds. What time does A take to complete the race?
A tap can fill a tank in 6 hours. After half the tank is filled then 3 more similar taps are opened. What will be total time taken to fill the tank completely.
On a map, 1 centimeter represents 19 kilometers. Two cities 627 kilometers apart would be separated on the map by how many centimeters?
x = y - (10/y), where x and y are both > 0. If the value of y is doubled in the equation above, the value of x will
If pq = p^6 + q^2 – 2pq, for what value of q is pq equal to p^6 for all values of p?
A 250 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train?
The length of the bridge, which a train 130 m long and traveling at 45 km/hr can cross in 30 sec is?
The ratio of the earnings of P and Q is 9:10. If the earnings of P increases by one-fourth and the earnings of Q decreases by one-fourth, then find the new ratio of their earnings?
The average of first ten prime numbers which are odd is?
Consider 6 points, two of which are A and B, such that each pair of points is connected by a line segment and no three points are collinear. Compute the number of distinct paths from A to B such that no point is visited more than once.
If it takes a tub 6 minutes to drain 5/7 of its content, how much more time will it take for the tub to be empty?
A qualified worker digs a well in 6 hours. He invites 2 apprentices, both capable of working 3/4 as fast and 2 trainees both working 1/5 as fast as he. If the five-person team digs the same well, how much time does the team need to finish the job?
Find the compound interest and the amount on Rs.6000 at 5% per annum for 3 years when C.I is reckoned yearly?
how many internal diagonals does a octagon (eight sided polygon) have?
x, a, z, and b are single digit positive integers. x = ¼ a. z = ¼ b. (10a + b) + (10x + z) could be equal to
Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 10 sec. What is the length of the fast train?
When 15% is lost in grinding wheat, a country can export 30 lakh tons of wheat. On the other hand, if 10% is lost in grinding, it can export 40 lakh tons of wheat. The production of wheat in the country is
There are 27 different three-digit integers that can be formed using only the digits 1, 2 and 4. If all 27 of the integers were listed, what would their sum be?
What is the probability of rolling tow six-sided dice, and getting a different number on each die?
0, 5, 15, 30, 50, 75, 105, 140, ? What number should replace the question mark?
In May Mrs Lee's earnings were 60 percent of the Lee family's total income. In June Mrs Lee earned 40 percent more than in May. If the rest of the family's income was the same both months, then, in June, Mrs Lee's earnings were approximately what percent of the Lee family's total income ?
Find the odd man out: 111, 133, 143, 155, 188, 200.
A construction company wants to number new houses using digit plates only. If the company puts an order for 1212 plates, how many houses are to be given numbers? (The numbers of houses are consecutive and the number of the first house is 1).
If 20% of a = b, then b% of 20 is the same as
Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is
The price of commodity X increases by 45 cents every year, while the price of commodity Y increases by 20 cents every year. In 2001, the price of commodity X was $5.20 and the price of commodity Y was $7.30. In which year will the price of commodity X be 90 cents more than the price of commodity Y?
An investment yields an interest payment of $216 each month. If the simple annual interest rate is 9%, what is the amount of the investment?
A group of 5 fishermen chartered a boat for a day to fish for flounder. The boat costs x dollars per day to rent. If the group can find 4 more fishermen on the docks who are willing to come aboard and share the rental costs, how much less will the rental cost be per person in terms of x?
A trader bought a car at 20% discount on its original price. He sold it at a 40% increase on the price he bought it. What percent of profit did he make on the original price?
A river 8m deep and 25 m wide is flowing at the rate of 8 kmph the amount of water that runs into the sea per minute is?
In January of 2016, there were 100 cats and 125 dogs in a town. In January of 2017, there were 115 cats and 150 dogs. By approximately what percent did the ratio of cats to dog decrease from the 2016 to 2017.
In a party every person shakes hands with every other person. If there were a total of 171 handshakes in the party then what is the number of persons present in the party ?
A goods train runs at the speed of 72 kmph and crosses a 230 m long platform in 26 seconds. What is the length of the goods train?
In a rectangular coordinate system, what is the area of a quadrilateral whose vertices have the coordinates (4,-3), (4, 7), (12, 2), (12,-7)?
Find the H.C.M of the fractions 1/3, 3/5 and 7/12
A school has 4 section of Chemistry in Class X having 70, 35, 45 and 42 students. The mean marks obtained in Chemistry test are 50, 60, 55 and 45 respectively for the 4 sections. Determine the overall average of marks per student.
A, B and C can do a work in 90, 30 and 45 days respectively. If they work together, in how many days will they complete the work?
If shares of two persons in profits are Rs.800 and Rs.600 then ratio of their capitals is
The ratio, by volume, of soap to alcohol to water in a certain solution is 20:50:80. The solution will be altered so that the ratio of soap to alcohol is doubled while the ratio of soap to water is halved. If the altered solution will contain 100 cubic centimeters of alcohol, how many cubic centimeters of water will it contain?
A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?
All of the citizens of a country have a eight-character or nine-character national identification code that is created using the 26 letters of the alphabet and the 10 digits from 0 to 9. What is the maximum number of citizens who can be designated with these codes?
A and B started a partnership business investing some amount in the ratio of 3:5. C joined them after six months with an amount equal to that of B. In what proportion should the profit at the end of one year be distributed among A, B and C?
Find the compound ratio of (2:3), (6:11) and (11:5) is
1=1,2=2,3=9,4=16,5=25, then 9=?
A miniature gumball machine contains 4 blue, 3 green, and 3 red gumballs, which are identical except for their colors. If the machine dispenses three gumballs at random, what is the probability that it dispenses one gumball of each color?

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