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

O T T F F S S ?

If,

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

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

D + F = ?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Spot the cat in the picture below

What happened when the wheel was invented?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

who is silent in the parliament?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?