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

Can you count the number of children in the picture below

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table.

DareDevils 6
SuperKings 5
Royals 4
Sunrisers 2
Riders ?

How many points did Riders end up with?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

What does this simple rebus mean?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"