Can you find out which number multiplied by itself will give the output as 12345678987654321?

Can you count the number of squares in the given picture?

What kind of tree can you carry in your hand?

What does this mean?

CCCCCCC

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?

Can you find the key in the picture below?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

What does below Rebus say?

XLR8

If 1+9+8=1, what is 2+8+9?

Replace the question mark with the number below given a simple math problem.