An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

You need to arrange three 7 and mathematical symbols to form number 1?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What does the below mathematical rebus mean?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

A father's child, a mother's child, yet no one's son.

Who am I?

An ant is travelling on a 1-meter-long rope at 1 cm/second but also the entire rope is being stretched by an extra 1 meter/second. Is it possible for the ant to reach at the end of the rope?