Aptitude Questions 3

Aptitude questions to sharpen your minds... every week. Enjoy this week's questions. Answers coming friday!





1. There is a safe with a 5 digit number as the key. The 4th digit is 4 greater than the second digit, while the 3rd digit is 3 less than the 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11.

Find the number.



2.A series comprising of alphabets contains 13 letters. The first seven letters in the given series are A, E, F, H, I, L, M

Can you find the next two letters?



3.Which number in the series does not fit in the given series:

1 4 3 16 6 36 7 64 9 100



4.The sum of their (father, mother and son) ages is 70. The father is 6 times as old as the son. When the sum of their ages is twice 70, the father will be twice as old as the son.

How old is the mother?



5.A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager.

According to his will: First give one coin to manager. 1/5th of the remaining to the elder son. Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among five daughters equally. All should get full coins. Find the minimum number of coins he has?



6.There are 10 boxes containing 10 balls each. 9 boxes contain 10 balls of 10 kg each and one box contains 10 balls of 9 kg each. Tool is available for proper weighing. How can you find out the box containing 9 kg balls?

You are allowed to weigh only once. You can remove balls from the boxes. All balls are of same size and color.



7.Next number in the series is 1, 2, 4, 13, 31, 112, ?



8.What two numbers comes next in this series?:

1, 2, 3, 6, 7, 14, 15, 30, 31, ? ?



9.The minute and the hour hand of a watch meet every 65 minutes.
How much does the watch lose or gain time and by how much?



10. 3 blocks are chosen randomly on a chessboard. What is the probability that they are in the same diagonal?