If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Which English verb becomes past tense just by rearranging the letters?

10+10 and 11+11 can give you the same answer.

Explain how?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

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

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Which Burger Is Different in below image?

Look at the picture and find out which square is not linked with any of the other squares.