The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

You see me once in June, twice in November, and not at all in May. What am I?

What is the next number in the series?

15 29 56 108 208 ?

The king of Octopuses has servants who have six, seven or eight legs. The distinguishing characteristics of the servants is that the one with seven legs always lie but the one with either six or eight legs speak the truth always.

One day, four servants meet and converse:

The black one says, 'We have 28 legs altogether.'

The green one says, 'We have 27 legs altogether.'

The yellow one says, 'We have 26 legs altogether.'

The red one says, 'We have 25 legs altogether.'


Can you identify the colour of the servant who is speaking the truth?

What does this Rebus Picture mean?

What is the next shape from answers A, B, C, and D figure?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?