There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

I look at you, you look at me I raise my right, you raise your left. What am I?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

I have branches, but no fruit, trunk or leaves. What am I?

why number 8549176320 is one of a kind?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?