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?

What does this rebus means ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

I am an odd number. Take away a letter and I become even. What number am I?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

What kind of band never plays music?

How can you take 2 from 5 and leave 4?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?