A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

In the image given, you can find several triangles. Can you count them all?

Given that

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

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

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

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

Where do fish keep their money?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?