How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Out of four images which one is the odd one out?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Can you count the number of blocks in the picture below?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

What does this rebus means ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What has 88 keys?