People make me, save me, change me, raise me. What am I?

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, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

What runs around the whole yard without moving?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

How many triangles can you count in the figure given?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

What's the best place to go shopping in the ocean?

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

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?