What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Count the Triangle in the figure given below:

Below rebus represent famous DiCaprio movie. Can you name it?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

How can you leave a room with two legs and return with six legs?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?