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?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

What word is represented by this rebus?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

O_er_t_o_

Complete the missing letters of the given word.

Can you count the number of lines in the below picture?

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

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?