Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

What occurs twice in a week, once in a year but never in a day?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

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

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Bobby and Wilbur decided to take their respective car out of the garage and race. None of them cheated and they both stood at the start time and decided to cover a distance in full throttle. The first to reach the mark was to be declared the winner.

Upon reaching the finishing mark, they found out that Bobby's car was 1.2 times faster than Wilbur's. Now, Wilbur had reached the mark about 1 minute and 30 seconds later than Bobby. Bobby's car reached the mark of 60 MPH on average.

Can you calculate the distance between the starting mark and the final mark with the help of the given data?

What is the next number in this series?

4,12,84,3612....