What is wrong in the below Picture?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

What number should come in place of the question mark below?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What is common among 11, 69, and 88?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

What word is represented by this rebus?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?