When we see 2 but call 10?

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

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Which of the below owl is odd one out?

The centre of the third figure is empty. What digit should fit inside?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

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

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?