81 x 9 = 801. What must you do to make the this equation true?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

If,

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

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

D + F = ?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

O_er_t_o_

Complete the missing letters of the given word.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

Why is it against the law for a man living in Delhi to be buried in Mumbai?