Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Whats the next number in the below number sequence pattern.

What is the next number in the series?

15 29 56 108 208 ?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

What happened when the wheel was invented?