If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

Take away the whole and some still remain. What is it?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

Find the next number in the following series:
6, 14, 26, 98, __?

Be active and find the killer in the picture Riddle below.

Can you replace the question mark with the correct number in the below table sequence?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?