What is the next shape from answers A, B, C, and D figure?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Can you count the number of rectangles on a chessboard?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

What Deficiency does the below rebus represent?

VIT_MIN

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

A devotee visits 9 temples when he visits India. All these nine temples have one thing in common - there are 100 steps in every temple. The devotee puts the Re.1 coin after climbing up every step. He does the same while climbing down every step. At each temple, the devotee offers half of his money from his pocket to god. In this way, his pocket becomes empty after he visits the 9th temple.

Can you calculate the total amount he had initially?

Find the number of squares in the below-given picture.

What is the relationship between these matchstick pictures below?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?