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

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

When it is alive we sing, when it is dead we clap our hands. What is it?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Decode below rebus
D
N
A
T
S , D

Find the next number in the series.
1 10 24 43 67 ?