John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Can you count the number of triangles in the picture below?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

Can you name an animal whose killing cannot be performed without spilling your own blood?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What have one eye but still cannot see?

Complete the following series. It.s very logical:

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