Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

There are two arch enemies Messi and Ronaldo who hate each other to an extreme. One day both were going together and a Jeanie appeared in front of them. Jeanie grants 3 wishes to Ronaldo and one to Messi.

Messi replied smartly 'Give me twice whatever Ronaldo demands'.

Ronaldo asked his 1st wish 'Give me 10000 billion dollars. Soon Messi gets 2000 billion dollars.
Ronaldo asked for his 2nd wish 'Give me one mansion in every country in the world. Soon Messi gets two mansions in every country of the world?

What should be Ronaldo's third wish?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?