How many triangles are there on the puzzle below?

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?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

What seven-letter word has hundreds of letters in it?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

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?

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?