Count the number of triangles in the below picture?

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?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

In the picture given below, can you find out which digit will take place of the question mark?

How can you make a TV, a bed, a dog, and a car liquid?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

What word begins and ends with an E, but has only one letter?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?