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Solve x2 – 3x – 4 = 0. |
Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day. If r percent of the store's revenues from newspapers sales was from Newspaper A and if r percent of the newspapers that the store sold were copies of Newspaper A, which of the following expresses r in terms of r? |
If 4a = 5b and ab ≠0, what is the ratio of a/5 to b/4? |
The ratio of the volumes of two cubes is 2744 : 1331. What is the ratio of their total surface areas? |
The maximum number of students among them 1200 pens and 820 pencils can be distributed in such a way that each student get the same number of pens and same number of pencils? |
The population of a bacteria culture doubles every 2 minutes. Approximately how many minutes will it take for the population to grow from 1,000 to 100,000 bacteria |
The length of a train and that of a platform are equal. If with a speed of 72 k/hr, the train crosses the platform in one minute, then the length of the train (in meters) is? |
It takes Avery 5 hours to build a brick wall while Tom can do it in 4 hours. If the two start working together and after an hour Avery leaves, how much time will it take Tom to complete the wall on his own? |
A dishonest dealer professes to sell goods at the cost price but uses a weight of 950 grams per kg, what is his percent? |
(469 + 174)2 - (469 - 174)2 /(469 x 174)=? |
If (A+B) = 12, (B+C) = 9 and (C+D) = 3, what is the value of (A+D)? |
The average mark of the students of a class in a particular exam is 72. If 5 students whose average mark in that exam is 40 are excluded, the average mark of the remaining will be 92. Find the number of students who wrote the exam? |
The difference between simple interest and compound interest on $1200 for one year at 10% per annum reckoned half-yearly is: |
A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present |
A person crosses a 600 m long street in 2 minutes. What is his speed in km per hour? |
How many seconds will a train 100 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph? |
If the operation @ is defined for all a and b by the equation a@b =(a^2*b)*3, then 2@(3@-1) = |
Raj is working on a set of Data Sufficiency problems for his December GMAT: a geometry problem, an algebra problem, and a data interpretation problem. He has determined that statement 1 of the geometry problem is insufficient on its own, that both statement 1 and 2 of the algebra problem are insufficient on their own, and that statement 2 of the data interpretation problem is insufficient on its own. If the probabilities are expressed as percents E, approximately how much greater is the probability that all three answers are “C” after Raj figures out that statement 1 of the data interpretation problem is also insufficient on its own? |
Walking at the rate of 8 kmph a man cover certain distance in 3 hrs.. Running at a speed of 16 kmph the man will cover the same distance in. |
Joan took out a mortgage from hel local bank. Each monthly mortgage payment she makes must be triple the amount of the previous month's payment. If her first payment is $100, and the total amount she must pay back is $12100, how many months will it take Joan to pay back her mortgage? |
Ice-Cold" Ice-cream factory produces only tricolor ice-cream products, where each ice-cream has three stripes of different colors. The factory uses the colors pink, purple, orange, silver, blue and red. How many different ice-cream products have at least one stripe out of the following colors: pink, purple or orange (assume that the order of the stripes in a single ice-cream does not matter)? |
A group consists of equal number of men and women. Of them 10% of men and 45% of women are unemployed. If a person is randomly selected from the group. Find the probability for the selected person to be an employee |
Ten coins are tossed simultaneously. In how many of the outcomes will the third coin turn up a head? |
A clock is set right at 5 a.m. The clock loses 16 minutes in 24 hours. What will be the true time when the clock indicates 10 p.m. on 4th day? |
A marketing manager is able to manage an average of Rs240 per week during 40h week . But in the final week of the month, his rates are increased by 50%. Then find out the commission the marketing manager makes in that week, if he puts in 60h during that final week? |
Siddharth wants to borrow Rs.6000 at rate of interest 6% p.a. at S.I and lend the same amount at C.I at same rate of interest for two years. What would be his income in the above transaction? |
Three numbers are in the ratio 2 : 3 : 5 and their average is 50. The largest number is : |
In a rectangular coordinate system, what is the area of a triangle whose vertices have the coordinates (3, 0), (6, 3), and (6, -3)? |
One young and one old man reach a same distance in 20min and 30min respectively. If old starts at 10.00am and youngman starts at 10.05am. When they meet. Pls provide solution |
The product of two successive numbers is 9506. Which is the smaller of the two numbers? |
If the following is true, can you find the value of (4 + 9)?
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9 |
A family with 1 mother, 1 father, and 4 children sit in a car with 2 front seats and 4 back seats. If the mother drives with a child in the front, and the father sits in the back center seat with the other three children on either side of him, how many seating arrangements are possible? |
If x and d are integers and 2x–d= 11, then 4x+ d CANNOT be |
If x = 3 + 5n and y = 2n - 3, then for what value of n, x is double of y (x = 2y) ? |
Blaudia can choose any two of four different candles and any 8 of 9 different flowers for a centerpiece arrangement. Given these choices, how many candle + flower groupings can she select? |
If the average (arithmetic mean) of x, y, and 40 is 5 greater than the average of x, y, 40, and 60, find the average of x and y. |
A five-year promissory note with a face value of $3500, bearing interest at 11% compounded semiannually, was sold 21 months after its issue date to yield the buyer 10% compounded quarterly.What amount was paid for the note |
A man rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. What is his average speed for the entire trip approximately? |
Calculate the area of a triangle, if the sides of are 65 cm, 60 cm and 25 cm, what is its area? |
A line has a slope of 3/4 and intersects the point T (-12, -39). At which point does this line intersect the x-axis? |
At a dinner party, 6 people are to be seated around a circular table. Two seating arrangement are considered different only when the positions of the people are different relative to each other. What is the total number of different possible seating arrangements for the group? |
Bob has a jar of fruit, and he ate 1/8 of the fruit for lunch. If Bob ate 3/7 of the remaining fruit for dinner, what fraction of the fruit was left after dinner? |
What is the sum between the place values of two 3's in the numeral 63130 |
In 1970 there were 8,902 women stockbrokers in the United States. By 1978 the number had increased to 18,947. Approximately what was the percent increase? |
If 12 men do a work in 80 days, in how many days will 16 men do it? |
A train 125 m long passes a man, running at 7 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is? |
A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white? |
The largest 4 digit number exactly divisible by 88 is? |
A train moves with a speed of 108 kmph. Its speed in metres per second is |
A bag contains 3 white marbles and 3 black marbles. If each of 3 girls and 3 boys randomly selects and keeps a marble, what is the probability that all of the girls select the same colored marble? |
A store reduced the price of all items in the store by 12% on the first day and by another 10% on the second day. The price of items on the second day was what percent of the price before the first reduction took place? |
Claire has a total of 96 pets consisting of gerbils and hamsters only. One-quarter of the gerbils are male, and one-third of the hamsters are male. If there are 25 males altogether, how many gerbils does Claire have? |
A trader sells 40 metres of cloth for Rs.8200 at a profit of Rs.20 per metre of cloth. How much profit will the trder earn on 40 metres of cloth? |
A cricket bat is sold for $850, making a profit of $255. The profit percentage would be |
If the volume and surface area of a sphere are numerically the same, then its radius is:? |
Eleven bags are bought for Rs.1000 and sold at 10 for Rs.1100. What is the gain or loss in percentage? |
Selling an kite for Rs. 30, a shop keeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is? |
Before a salary increase, the weekly salary of a worker for 44 hours in a week was as much as the worker is paid now for 40 hours of work in a week. What is the percent increase in the worker's salary per hour? |
The length of a room is 5.5 m and width is 3.75 m. What is the cost of paying the floor by slabs at the rate of Rs.800 per sq. metre. |
There are 7 couples. If they will sit 14 chairs in a row such that each couple sits side by side, how many possible cases are there? |
A manufacturer of a certain type of screw rejects any screw whose length is less than 2.5 — 0.03 centimeters or greater than 2.56 - 0.03 centimeters. If k represents the length of a screw, in centimeters, which of the following inequalities specifies all the lengths of screws that are acceptable? |
The length of a rectangle is halved, while its breadth is tripled. Watis the % change in area? |
Concentrated plums juice comes inside a cylinder tube with a radius of 2.5 inches and a height of 15 inches. The tubes are packed into wooden boxes, each with dimensions of 11 inches by 10 inches by 31 inches. How many tubes of concentrated plums juice, at the most, can fit into 3 wooden boxes? |
If Ajay completes a certain work in 8 days and Vijay can complete the same work in 24 days, find the time in which the work will be completed if both Ajay and Vijay work together. |
To be eligible for retirement benefits at the Sieman Corporation, the sum of an employee's age, in years, and the number of years employment must be at least 62. If a, where a <62, is a certain employee's age when hired and b is the minimum number of years of employment required for the employee to be eligible for retirement benefits, which of the following equations represents the relationship between a and b? |
A disease has infected an ant colony that consists of "workers" and "soldiers": 30% of the soldiers and 14% of the "workers" were infected. If that colony is inhabited by 7000 ants, out of which 1700 are infected, how many "workers" inhabit the colony? |
A bag contains 7 red, 5 blue and 4 green balls. If 2 ballsare picked at random, what is the probability that both are red? |
Rs.385 were divided among X,Y,Z in such a way that X had Rs.20 more than Y and Z had Rs 15 more than X . How much was Y’s share? |
Susan drove an average speed of 30 miles per hour for the first 60 miles of a tripthen at a average speed of 60 miles/hr for the remaining 30 miles of the trip if she made no stops during the trip what was susan's avg speed in miles/hr for the entire trip |
M = {-6, -5, -4, -3, -2}
T = {-3, -2, -1, 0, 1, 2, 3, 4}
If an integer is to be randomly selected from set M above and an integer is to be randomly selected from set T above, what is the probability that the product of the two integers will be negative? |
A man travelled for 13 hours. He covered the first half of the distance at 20 kmph and remaining half of the distance at 25 kmph. Find the distance travelled by the man? |
a and b are both positive, even integers. The lowest common multiple of a and b can be written as (a·b)/n, where n is an integer. Which of the following may be false? |
When a certain tree was first planted, it was 4 feet tall, and the height of the tree increased by a constant amount each year for the next 6 years. At the end of the 6th year, the tree was 1/3 taller than it was at the end of the 4th year. By how many feet did the height of the tree increase each year? |
Find the minimum value of n such that 50! is perfectly divisible by 2520^n. |
Select the non termination decimal among the following. |
2y - 3x = 2xy and x ≠ 0. If x and y are integers, which of the following could equal y? |
A women buys some shoestrips and then 4 times of that she buys packet pins and then 8 times of shoestrips she buys handkerchiefs Finally she has a bill of Rs3.24. She pays for each article as many paise as there are articles(of that particular item).Now whats the number of handkerchiefs? |
A watch was sold at a loss of 20%. If it was sold for Rs.520more, there would have been a gain of 6%. What is the cost price? |
Sid began driving from home on a trip averaging 30 miles per hour. How many miles per hour must Carla drive on average to catch up to him in exactly 3 hours if she leaves 30 minutes after Sid? |
What will come in place of the x in the following Number series? 73205, 6655, 605, 55, x |
Rahim bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ? |
If a no. when divided by 44, gives 432 as quotient and 0 as remainder. What will be the remainder when dividing thesame no. by 31 |
In a office work is distribute between p persons. If 1/8 members are absent then work increased for each person is? |
If n is the smallest integer such that 864 times n is the square of an integer, what is the value of n? |
Set M contains number that satisfy the condition that, if integer x is in the set then x + 5 will also be in the set M. If -4 is one value in the set, which of the following values must also be present in the set M? I) -9 II) 1 III) 6 |
In a party attended by 14 persons, each clinch their glass with every other. How many glass clinches? |
A boat can travel with aspeed of 30km/hr in still water. If the speed of the stream is 5km/hr, find the time taken by the boat to go 70km downstream. |
A certain farmer pays $70 per acre per month to rent farmland. How much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 605 feet? (43,560 square feet = 1 acre) |
The amounts of time that three secretaries worked on a special project are in the ratio of 2 to 3 to 5. If they worked a combined total of 90 hours, how many hours did the secretary who worked the longest spend on the project? |
If n is a positive integer and n^2 is divisible by 264, then the largest positive integer that must divide n is |
A car travels uphill at 30 km/hr and downhill at 40 km/hr. It goes 100 km uphill and 50 km downhill. Find the average speed of the car? |
In a certain pond, 80 fish were caught, tagged, and returned to the pond. A few days later, 80 fish were caught again, of which 2 were found to have been tagged. If the percent of tagged fish in the second catch approximates the percent of tagged fish in the pond, what`s the approximate number of fish in the pond? |
An empty fuel tank to a car was filled with A type of petrol. When the tank was half empty, it was filled with B type of petrol. Again when the tank was half empty, it was filled with A type of petrol. When the tank was half empty again,it was filled |
The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 10 and 12. The larger of the two numbers is: |
A student has to read one history book of 200 pages and one science book of 300 pages . At the end of first day, if 57 percent of the pages in history book and 42 percent of the pages in science book were read, what percent of the total number of pages were read ? |
The population of a town is 8000. It decreases annually at the rate of 20% p.a. What will be its population after 2 years? |
A 1200 m long train crosses a tree in 120 sec, how much time will I take to pass a platform 900 m long? |
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is? |
The base of a parallelogram is twice its height. If the area of the parallelogram is 72 sq. cm, find its height |
A and B can do a work in 20days, B and C can do it in 30days; A,B and C together can finish it in 40days. A and C together will do it in? |
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