Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

Which number should replace the question mark?

Prove that twice of ten is the same as twice of eleven.

With the help clues provided in the image, can you find the 5 digit key?

Which number comes next in the number series?

2, 9, 30, 93, ?

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

If,

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

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

D + F = ?