Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

What is the below Rebus indicate?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

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

Solve the alphametic puzzle by replacing the alphabet with the number.

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A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Which is faster, Heat or Cold ? Explain.