Prove that twice of ten is the same as twice of eleven.

How many letters are in the alphabet?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

When it is alive we sing, when it is dead we clap our hands. What is it?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?