Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Why is it very easy to weigh a fish?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

What jumps when it walks and sits when it stands?

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Can you find out the remainder when 3^300 is divided by 5?

What is common among 11, 69, and 88?

What is the word or phrase below?
R | E | A | D