Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

What kind of band never plays music?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

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