Question

Which one of the following things exist in nature?
(a) Air
(b) Water
(c) Moon and Stars (d) All of these
Which one of the following is a machine?
(a) Pen
(b) Air conditioner
(c) School bag
(d) None of these
A computer is an ...
..... machine.
(a hard
(b) soft
(c) electronic
(d) none of these
Computer can ....
(a) calculate
(b) play music
(c) teach
(d) all of these​

Answer 1

Answer:

Which one of the following things exist in nature?

(a) Air

(b) Water

(c) Moon and Stars (d) All of these

the correct answer is all of these.

Answer 2

Answer:

I) All of these

ii) Air conditioner

iii) electronic machine

iv) all of these