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If x²+y²=36 and (x+y)²=64, what is the value of xy?

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If a-b=7 and a+b=13, what is the value of a²-b²?

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What is the value (x-2)(x+3)-(x-4)(x+5)?

GATGraduate Assessment TestQuantitative Ability

Subtract 3x^2-4x+2 from 5x^2+10x-7?

GATGraduate Assessment TestQuantitative Ability

What is the sum of 5x^2+10x-7 and 3x^2-4x+2?

GATGraduate Assessment TestQuantitative Ability

What is the value of -3a^2b when a= -4 and b= 0.5?

GATGraduate Assessment TestQuantitative Ability

If a+b=3(c+d), which of the following is the average of a, b, c and d?

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What is the average in degrees of the measures of the five angles in a pentagon?

GATGraduate Assessment TestQuantitative Ability

If the average of 5, 6, 7 and w is 8, what is the value of w?

GATGraduate Assessment TestQuantitative Ability

If x+y=6, y+z=7 and z+x=9 what is the average of x,y and z?

GATGraduate Assessment TestQuantitative Ability

If 10a+10b=35, what is the average of a and b?

GATGraduate Assessment TestQuantitative Ability

What is the average of the positive integers from 1 to 100?

GATGraduate Assessment TestQuantitative Ability

Sandrine's average on 4 tests is 80. Which of the following cannot be the number of tests on which she earned exactly 80 points?

GATGraduate Assessment TestQuantitative Ability

Maryline's average on 4 tests is 80. Assuming she can earn no more than 100 on any test, what is the least she can earn in her fifth test and still have a chance for an 85 average after seven tests?

GATGraduate Assessment TestQuantitative Ability

Michael's average on 4 tests is 80. What does he need on his fifth test to raise his average to 84?

GATGraduate Assessment TestQuantitative Ability

During a 10-day period, Jorge received the following number of phone calls each day: 2, 3, 9, 3, 5, 7, 7, 10, 7, 6. What is the average of the median and mode of this set of data?

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For the first 100 miles of his trip, Justin drove at 50 miles per hour, and then due to construction delays, he drove at only 40 miles per hour for the next 120 miles. What was his average speed, in miles per hour, for the entire trip?

GATGraduate Assessment TestQuantitative Ability

For the first 3 hours of his trip, Justin drove at 50 miles per hour. Then, due to construction delays, he drove at only 40 miles per hour for the next 2 hours. What was the average speed, in miles per hour, for the entire trip?

GATGraduate Assessment TestQuantitative Ability

On Thursday, 20 of the 25 students in chemistry class took a test and their average was 80. On Friday, the other 5 students took the test, and their average was 90. What was the average for the entire class?

GATGraduate Assessment TestQuantitative Ability

If the average of 25,31 and x is 37, what is the value of x?

GATGraduate Assessment TestQuantitative Ability

If 500 pounds of mush will feed 20 pigs for a week, for how many days will 200 pounds of mush feed 14 pigs?

GATGraduate Assessment TestQuantitative Ability

If 4 boys can showel a driveway in 2 hours, how many minutes will it take 5 boys to do the job?

GATGraduate Assessment TestQuantitative Ability

If 3x-1/25=x+5/11, what is the value of x?

GATGraduate Assessment TestQuantitative Ability

Gilda can grade t tests in 1/x hours. At this rate, how many tests can she grade in x hours?

GATGraduate Assessment TestQuantitative Ability

A snail can move i inches in m minutes. At this rate, how many feet it move in h hours?

GATGraduate Assessment TestQuantitative Ability