As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Find the next number in the series below

21 32 54 87 131 ?

Forwards I am heavy, backward I am not. What am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?

I am the fastest animal but cannot climb the tree. What am I?

What does an Island and the letter T have in common?

What can go through glass without breaking it?