There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Why is it very easy to weigh a fish?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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 chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?