Can you start the fire using two pieces of wood?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

Find the next number in the series below

21 32 54 87 131 ?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

You can see it everyday, But cannot touch it at will. What is it?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

What does the below rebus riddle means?

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