Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

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

Solve the mathematical equation in the picture below.