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 name some countries which do not have the alphabet 'A' in them?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

What is the coolest letter in the alphabet?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Can you solve below mathematical equation?

2^1234 - 2^1233

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

What building has the most stories?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.