Which tank will fill first?

When it is alive we sing, when it is dead we clap our hands. What is it?

Different lights make me strange by changing me into different sizes. What am I?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

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

Who am I?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

When 99 is considered higher than 100?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?