Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

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?

Can you make a six-letter word using the letters N, A and B ?

How can you leave a room with two legs and return with six legs?

How many triangles can you count in the figure given?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

When it's bad luck to meet a black cat?

Which English verb becomes past tense just by rearranging the letters?