Complete the following series. It.s very logical:

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

What is the next number in this matchsticks series riddle?

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 ?

The Little ant seems to be always confused. Do you know why?

Out of four images which one is the odd one out?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

How can you make number one disappear by adding something to it?