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

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Find the missing number in the sequence below:

The answer I give is yes, but what I mean is no. What was the question?

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?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

If 21x = 79x, what is the value of x?