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GMAT Math practice - (5/36 questions - random)
GMAT practice questions. Once you complete the quiz you will see your score and explanation of the correct answer.
The arithmetic mean of the 5 consecutive integers starting with 's' is 'a'. What is the arithmetic mean of 9 consecutive integers that start with s + 2?
A) 2 + s + a
B) 2 + a
D) 2a + 2
E) 4 + a
Three years back, a father was 24 years older than his son. At present the father is 5 times as old as the son. How old will the son be three years from now?
A) 12 years
B) 6 years
C) 3 years
D) 9 years
E) 27 years
The sum of the fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first 15 terms of the arithmetic progression?
The length of a rope, to which a cow is tied, is increased from 19m to 30m. How much additional ground will it be able to graze? Assume that the cow is able to move on all sides with equal ease.
A) 1696 sq m
B) 1694 sq m
C) 1594 sq m
D) 1756 sq.m
E) 1896 sq.m
The average of 5 quantities is 6. The average of 3 of them is 8. What is the average of the remaining two numbers?
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