A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Can it be possible to build a house that has all its four walls facing towards the South?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

Which tank will fill first?

What does this Rebus Picture means ?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

What does the below rebus riddle means?