Can you solve the below algebraic mathematical equation?

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

Can you solve the maths in the below-given picture equation?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Can you move 2 matchsticks to form four equal sized squares.

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

By what process could you make a 'Tea-Table' into food?