The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Buy me, smell me or deliver me, I do not change.

Who am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

They are three errirs in this question. Can you find them?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?