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big_math_dataset

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Baseball's World Series matches 2 teams against each other in a best-of-seven series. The first team to win four games wins the series and no subsequent games are played. If you have no special information about either of the teams, what is the probability w that the World Series will consist of fewer than 7 games?
A mixture of 70 liters of wine and water contains 10% water. How much water must be added to make water 12 ½% of the total mixture?
If x^2+(1/x^2)=7, x^4+(1/x^4)=?
A man ordered 4 pairs of black socks and some pair of brown socks. The price of a black socks is double that of a brown pair, while preparing the bill the clerk interchanged the number of black and brown pairs by mistake which increased the bill by 50%.The ratio of the number of black and brown pairs of socks in the original order was
A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?
A alone can complete a work in 16 days and B alone can complete in 12 days. Starting with A they work on alternate days. The total work will be completed in?
Of a group of people, 10 play piano, 11 play guitar, 14 play violin, 3 play all the instruments, 20 play only one instrument. How many play 2 instruments?
Jaya invests in a new mutual fund. The fund averages 10% growth annually for the first three years, but it loses 30% of its value in the fourth year. At the end of four years, the value of the mutual fund is approximately what percent of the amount Jaya originally paid?
When 1/10 percent of 2,000 is subtracted from 1/10 of 2,000, the difference is
A corporation triples its annual bonus to 50 of its employees. What percent of the employees’ new bonus is the increase?
If 4-X < (2+5X)/3, which of the following is correct?
If the average (arithmetic mean) of a list of numbers is 12 and the standard deviation of that list of numbers is 1.3, then which of the following numbers is more than two standard deviations from the mean? I. 13.5 II. 12.3 III. 9.3
If anangletis defined as 1 percent of 1 degree, then how many anglets are there in a quarter circle?
the hiker walking at a constant rate of 4 miles per hour is passed by a bike traveling in the same direction along the same path at 20 miles per hour. the bike stops to wait for the hiker 5 minutes after passing her, while the hiker continues to walk at her constant rate, how many minutes must the bike wait until the hiker catches up?
A box contains eight bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good?
A tap can fill a tank in 14 hours. After half the tank is filled three more similar taps are opened. What is the total time taken to fill the tank completely?
A and B invests Rs.1500 and Rs.4000 respectively in a business. If A doubles his capital after 6 months. In what ratio should A and B divide that year's profit?
In a factory there are three types of machine M1, M2 and M which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ?
A fruit juice is composed of pineapple, strawberry juice, and cherry juice. How many ml of cherry juice is required to make 6 liters of fruit juice containing twice as much pineapple juice as strawberry juice and three times as much strawberry juice as cherry juice? (1L=1000ml)
Find the number of square tiles to cover the floor of a room measuring 6.5 m * 9.5 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?
The average of nine numbers is 14. The average of first four numbers is 11.5 and the average of last four numbers is 16.5. What is the middle number?
There are 8 balls in a bucket, 4 balls are blue and 4 balls are red. If two ball chosen randomly , how many chances there are at least one blue ball will present?
John bought a shirt on sale for 25% off the original price and another 25 % off the discounted price. If the final price was $16, what was the price before the first discount?
A salt manufacturing company produced a total of 4000 tonnes of salt in January of a particular year. Starting from February its production increased by 100 tonnes every month over the previous months until the end of the year. Find its average monthly production for that year?
A can do a piece of work in 15 days and B in 20 days. They began the work together but 5 days before the completion of the work, A leaves. The work was completed in?
A man performs 3/5 of the total journey by rail, 17/20 by bus and the remaining 6.5km on foot. His total journey is?
Stuart bought a sweater on sale for 30% off the original price and another 25% off the discounted price. If the original price of the sweater was $30, what was the final price of the sweater?
What is the perimeter of a square field whose diagonal is 4√2?
What percent of 120 are 90?
Mr. Zimmer has 237 papers to hand out to his class. The class consists of 30 students, and each student will need 8 papers. How many more papers will he need to be able to give 8 papers to each 30 student?
|-4| (|-25|-|5|)= ?? Source: Preparation Material MBA Center
x is what percent of y percent of z, in terms of x, y and z? p be the value expressed in terms of x,y and z.
A sells his goods 50% cheaper than B but 50% dearer than C. The cheapest is?
A company wants to manufacture computer models of x% of a list of 10,000 models from the market. After a budget cut, the company finds it must reduce this selection by (x − 6)%. In terms of x, how many computer model will the group be able to manufacture?
If 10 typists can type 30 letters in 30 minutes, then how many letters will 40 typists working at the same rate complete in 1 hour?
Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are black or both are queen?
workers decided to raise Rs.3 lacs by equal contribution from each. Had they contributed Rs.50 eachextra, the contribution would have been Rs.3.50 lacs . How many workers were they?
A Cuban cigar would cost 5 dollar less than 1.5 times a French cigar, had the French cigar cost 0.7 dollar less than it does now. An Arabian cigar costs 50 cents more than 1.5 times the Cuban cigar. The three cigars together cost 74.7 dollars. What is the price of the French cigar?
Two trains of equal length, running with the speeds of 60 and 20 kmph, take 50 seconds to cross each other while they are running in the same direction. What time will they take to cross each other if they are running in opposite directions?
In an entrance test, Deepika came across a mathematical patter problem. If 6 / 7 = 2, 3 / 9 = 7, 8 / 2 = 6, Then 4 / 5 = ? She was able to solve it in less than a minute. Can you?
How many numbers from 9 to 79 are exactly divisible by 11?
A ship sails 4 degrees north, then 14 S. then 17 N. then 19 S. and has finally 11 degrees of south latitude. What was her latitude at starting ?
In a group of hats consisting of only blue hats, green hats, and purple hats, the ratio of blue hats to green hats to purple hats is 7:4:12. If there are a total of 46 hats in this group, how many of these hats are not blue?
In how many different number of ways 4 boys and 3 girls can sit on a bench?
Two trains start from p and q respectively and travel towards each other at a speed of 50km/hr and 40km/hr respectively. By the time they meet, the first train has travelled 1ookm more than the second. The distance between p and q is
If x⁄2 + 5⁄4 = 5⁄4, what is the value of x?
At 3:00 pm, a car has driven 20 miles east. It will continue to drive east at 0.8 minutes per mile and then turn around and drive at 0.8 minutes per mile back to its original starting point. How far can it drive before turning around in order to arrive back to its original starting point by 3:40 pm?
Lucy deposited $31250 in an investment fund that provided 16 percent annual return compounded quarterly. If she made no other transactions with the fund, in how much time, in months, did her investment earn a total interest of $2550?
What number comes next in this Number series. 5 5 3 4 4 6 9 ? *Hint: check calender
If 2 pounds of dried apricots that cost x dollars per pound are mixed with 2 pounds of prunes that cost y dollars per pound, what is the cost, in dollars, per pound of the mixture?
AA is two digit number then m times its cube of AA has 1 in its tens place then what is m.
If the line L passes through the point (3,n) and (n,3), where n is not equal to 3, which of the following must be true? 1. The slope of L is negative 2.Line L must passes through the first quadrant 3. Line L does pass the origin.
In a certain sequence of 7 numbers, each number after the first is 1 more than the previous number. If the first number is −5, how many of the numbers in the sequence are positive?
Each customer of a networking company subscribes to one of two plans: Plan A or Plan B. Plan A costs $75 per month and Plan B costs $250 per month per customer. If the company’s average revenue per customer per month is $200, then what percent of the company's revenue comes from customers with Plan A?
In Town X, 64 percent of the population are employed, and 50 percent of the population are employed males. What percent of the employed people in Town X are females?
Each of the integers from 0 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into hat. If the slips are then drawn one at a time without replacement, how many must be drawn to ensure that the numbers on two of the slips drawn will have a sum of 12?
If k and y are integers, and 10k + y is odd, which of the following must be true?
Ten cards numbered 1 to 10 are placed in a box, mixed up thoroughly and then one card is drawn randomly. If it is known that the number on the drawn card is more than 3, what is the probability that it is an even number?
A dishonest dealer claims to sell a product at its cost price. He uses a counterfeit weight which is 20% less than the real weight. Further greed overtook him and he added 30% impurities to the product. Find the net profit percentage of the dealer?
A basketball coach will select the members of a five-player team from among 11 players, including John and Peter. If the five players are chosen at random, what is the probability that the coach chooses a team that includes both John and Peter?
A batsman makes a score of 64 runs in the 16th innings and thus increased his average by 3. Find his average after the 16th inning?
Every day, Fred takes the train to travel from his work back to Alkmaar, his place of residence. Usually, he arrives at the station of Alkmaar at six o'clock, and exactly at that moment, his wife picks him up by car. Yesterday evening, Fred took an earlier train, without informing his wife, and therefore he already was at the station of Alkmaar at five o'clock. He decided to walk part of the way to meet his wife. When he met the car with his wife, he drove home with her. In this way, they were home ten minutes earlier than normal. Fred's wife always drives the entire way between home and station at the same constant speed.How long did Fred walk yesterday evening?
An article is bought for Rs.1200 and sold for Rs.800, find the loss percent?
What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 48?
The city of Boston decided to reconstruct its major tunnels. It estimated the job would require 612 mini projects spread evenly over an 18 month plan of completion. Only 108 mini projects had been successfully completed after 8 months. At this time, the construction was behind schedule by how many projects?
In an election, candidate A got 65% of the total valid votes. If 15% of the total votes were declared invalid and the total numbers of votes is 560000, find the number of valid vote polled in favor of candidate?
If xy = 2 and x^2 + y^2 = 12, then x/y + y/x =
If $25,000,000 is the initial amount placed in an account that collects 7% annual interest, which of the following compounding rates would produce the largest total amount after two years?
Each of the integers from 3 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into hat. If the slips are then drawn one at a time without replacement, how many must be drawn to ensure that the numbers on two of the slips drawn will have a sum of 10?
The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds, is:
One fourth of one third of two fifth of a number is 10. What will be40% of that number
The value of (2.502+0.064)^2 - (2.502-0.064)^2/2.502*0.064
A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:
What percentage of numbers from 1 to 95 have squares that end in the digit 0?
What is the angle between the 2 hands of the clock at 8:24 pm?
A man can do a piece of work in 9 days, but with the help of his son he can do it in 3 days. In what time can the son do it alone ?
The average of 20 numbers is zero. Of them, How many of them may be greater than zero, at the most?
A meal cost $ 48.75 adn there was no tax. If the tip was more than 5 pc but less than 20pc of the price, then the total amount paid should be:
Solve below question 2x + 1 = -17
The units digit of (35)^(87) + (93)^(46) is:
Maths, Physics and chemistry books are stored on a library shelf that can accommodate 25 books. Currently, 20% of the shelf spots remain empty. There are twice as many maths books as physics books and the number of physics books is 4 greater than that of chemistry books. Among all the books, 12 books are soft cover and the remaining are hard-cover. If there are a total of 7 hard-cover books among the maths and physics books. What is the probability T, that a book selected at random is either a hard cover book or a chemistry book?
80% of the population of a village is 32000. The total population of the village is?
What is the % change in the area of a rectangle when its length increases by 20% and its width decreases by 20%?
In a class of 45 students, 12 enrolled for both English and German. 22 enrolled for German. If the students of the class enrolled for at least one of the two subjects, then how many students enrolled for only English and not German?
A 160 meter long train crosses a man standing on the platform in 12 sec. What is the speed of the train?
Two persons start running simultaneously around a circular track of length 700 m from the same point at speeds of 15 km/hr and 25 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions?
If a 10 percent deposit that has been paid toward the purchase of a certain product is $105, how much more remains to be paid?
TATA company plans to assign identification numbers to its employees. Each number is to consist of four different digits from 0 to 9, inclusive, except that the first digit cannot be 0. How many different identification numbers are possible?
A first grade teacher uses eight cards, each numbered from 1 to 8, to teach her students to order numbers correctly. She has students choose four flash cards randomly, then arrange the cards in ascending order. One day, she removes the cards '2' and '4' from the deck. On that day, how many different correct arrangements of four randomly selected cards are possible?
How much is 60% of 40 is greater than 4/5 of 25?
A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in?
Two friends P & Q started a business investing amounts in the ratio of 5 : 6. R joined them after six months investing an amount equal to that of Q’s amount. At the end of the year 32% profit was earned which was equal to 98,000. What was the amount invested by R?
Mr. Thomas invested an amount of 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be 3508, what was the amount invested in Scheme B?
If P is a prime number greater than 7, what is the remainder when P^2 is divided by 8.
For any number Z, Z* is defined as the greatest positive even integer less than or equal to y. What is the value of 6.35 – 6.35*?
Margaret is 9 years more than twice the age of his son. The age of son is 12. Find the age of mother and find the difference between their ages
The total marks obtained by a student in Mathematics and Physics is 70 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathamatics and Chemistry together.
There are 4 people who has to cross a stretch of 300 km. They normally run at a speed of 10 kmph. One of them has a bike that travels at 50 kmph. The bike first takes one person alone and crosses the stretch while the other two keep running. Then he comes back without wasting time and picks up from the way, drives him across the stretch, and does the same for the last person. How long does this whole process take?
Two pipes A and B can fill a cistern in 12 and 15 minutes respectively. Both are opened together but after 3 minutes A is turned off. After how much more time will the cistern be filled?
A store reported total sales of $385 million for February of this year. If the total sales for the same month last year was $340 million, approximately what was the percent increase in sales?