In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

Find the missing number in the image below.

Which is the smallest number that you can write using all the vowels exactly once?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

What is at the end of a rainbow?

Can you write down eight eights so that they add up to one thousand?

Can you place six X (crosses) in below board without making three in a row in any way ?