If Rajina's daughter is my daughter's mom, who am I to Rajina?

When can we add 2 to 11 and get 1 as the correct answer?

Which is faster, Heat or Cold ? Explain.

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

What is the word or phrase?

Can you solve below mathematical equation?

2^1234 - 2^1233

Can you name an animal whose killing cannot be performed without spilling your own blood?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

O_er_t_o_

Complete the missing letters of the given word.