On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

How many triangles are there on the puzzle below?

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

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

Using eight eights and addition only, can you make 1000?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What do you see in the image below