It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But do you know how many of these numbers are prime?

Find the Goldfish below the given Image.

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.'

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

It belongs to you, but other people use it more than you do. What is it?

Why do you find that most of the buildings are deprived of the 13th floor?

Find the next number in the sequence

5 12 24 36 ?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?