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

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Can you write down eight eights so that they add up to one thousand?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?