Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

John is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Jacob, John’s wife Hena and his business partner Jason . All three visited John on the day of his murder, but all three provide the police with stories of explanation as to the reason for their visit.
Police found John with his wrist watch still on his right arm, a torn up picture of his wife laying on the floor beside the trash can, and an ink pen in his right hand. On the desk, the police found a name plate, a telephone that was off the hook, and a personal calendar turned to the July 5th page with 7B91011 written on it. After examining this evidence, the police knew their suspect. Who was it ?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

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

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

They are three errirs in this question. Can you find them?

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?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?