CBSE - Aptitude Mathematics

25 years ago a man was four times as old as his son. wbose present age is 33 years. What is ihe present age of the father in terms of the years ? (1) 40 (2) 52 (3) 57 (4) 75

One dozen eggs and ten pounds of apples are currently the same price. If the price of a dozen eggs rises by 10% and the price of applies goes up by 2%, how much more will it cost to buy a dozen eggs and ten pounds of apples? 1. 2% 2. 6% 3. 10% 4. 12%

Which of the following is not true about harmonic mean? 1.it utilizes all the items of the data 2.it lends itself to algebraic calculation 3.it is not easily calculated 4.it can be obtained by inspection

In the given series 8,9,10,11,12,13,14,15,16 the mean is 1. 11 2. 20 3. 12 4. 26

A sum of money doubles itself in 4 years at compound interest. It will become eight times at the same rate in -- years. 1. 8 2. 12 3. 16 4. None of the above