What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
A man dies of old age on his 25 birthday. How is this possible?
What occurs twice in a week, once in a year but never in a day?
Find three whole, positive numbers that have the same answer when multiplied together as when added together.
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?
A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?
A plane crashed between the border of Mexico and America. Where do you bury the survivors?
Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?
Prove that the below maths equation is true.
8 + 8 = 91
A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?
What do you see in the given picture?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.
