Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Aman has 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he could not give change for a rupee and five paisa.

Can you tell which coins he has?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What month of the year has 28 days?

There is something which you can be arrested for attempting but not for successfully completing.

What begins with T, ends with T, and has T in it?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

I am the fastest animal but cannot climb the tree. What am I?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?