I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

Name a key which is hardest to turn.

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

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

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

What Adam and Eve do not have but the rest of the people have?

What is next number in the pattern below:

131 517 192 123 ?

A bridge is about to collapse. There are four people P, Q, R and S on one of the sides. Before the bridge collapses, they want to cross it. Now since the bridge is too weak, it can only stand the weight of two people at a time. Also, it is night time and nothing is visible. They have just one torch with them.

Now P takes one minute to cross the bridge, Q takes two minutes to cross, R takes five minutes to cross and S takes ten minutes to cross.

The bridge will collapse in seventeen minutes. How will they be able to cross the bridge before it collapses?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Can you fill the blank with the correct number?

6 30 870 756030 _____