number system aptitude shortcuts - Interview Questions

number system aptitude shortcuts

The pulse rate of a person is 15 beats in 10 seconds. At this rate, what will be pulse rate of the person per minute ?

Answer : C. 90 beats per minute

The average of 7 numbers is 60. The average of the first three numbers is 50, while the average of the last three is 70. What must be the remaining number ?

Answer : B. 60

Which of the following numbers is not divisible by 14 ?

Answer : C. 1998

What number is to be subtracted from 0.006898 to make it a perfect square ?

Answer : C. 0.000009

If the number 7×86038 is exactly divisible by 11, then the smallest whole number in place of x ?

Answer : C. 3