2, 3, 5, 9, 17, _ What is the next number in the sequence?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

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

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

The dirtier I get, the whiter I look. Who am I?

A cat, a dog and a monkey were stolen. 3 suspects got caught: Harish, Manoj and Tarun. All we know is each person stole one animal, but we do not know who stole which. Here are the investigation statements. Harish said: Tarun stole the cat. Manoj said: Tarun stole the dog. Tarun said: They both were lying. I did not steal the cat or the dog. Later on, the police found out the man who stole the monkey told a lie. The man who stole the cat told the truth. Can you find out who stole which?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

I am sure no one can have two things for dinner. what are they?