Can you place three balls such that the equation shown in the picture holds true?

Prove that the below maths equation is true.

8 + 8 = 91

How many times can you subtract the number 5 from 25?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

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

Find the smallest sentence with all the English alphabet.

How do you go from 98 to 720 using just one letter?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.