What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

People make me, save me, change me, raise me. What am I?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

I taste better than I can smell. Who am I?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

What begins with T, ends with T, and has T in it?

Decode below rebus
D
N
A
T
S , D

If we tie a Sheep to one peg, a circled grass is been eaten by the Sheep. If we tie the Sheep to two pegs with a circle on its neck, then an eclipse is eaten out of the grass by the Sheep. If we want an eclipse then we put two pegs and then put a rope in between them and the other end of the rope is tied up on the Sheep's neck.

How should we tie the peg and the Sheep so that a square is eaten out from the garden grass? We only have one Sheep rope and the peg and the rings.

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.