Prove that twice of ten is the same as twice of eleven.

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

These types of puzzles are known as charades. What you have to do is find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be office.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

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

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

What do you see in the image below

Count the number of squares in the picture below.

Find the next number in the series.
1 10 24 43 67 ?