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

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

Move four matchsticks to the below square to form three squares?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Why do Chinese men eat more rice than Japanese men do ?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

What kind of band never plays music?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H