Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Bay of Bengal is in which state?

Can you count the number of quadrilaterals in the picture below?