What does this rebus mean?

O
N
C
E
TIME

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

What does below chemistry rebus means?

Can you count the number of squares in the figure below?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

Find out the number of circles in the given picture having Illusion

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?