By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

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.

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Prove that the below maths equation is true.

8 + 8 = 91

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable