Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

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

What word is represented by this rebus?

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

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

I have feet, but no legs. Which animal Am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

How many words can a pen with half refill write?