I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

I am sure no one can have two things for dinner. what are they?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What does the below mathematical rebus mean?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Find the last number in the series below:

voN luJ yaM raM ---

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?