Explanation

Pronouns that point to specific things: this, that, these, and those, as in “This is an apple,” “Those are boys,” or “Take these to the clerk.”

These is used as demonstrative pronoun 

Explanation

Average speed,=2×x×yx+y=2×100×150100+150=200×150250=120km/hr

Explanation

The president is elected indirectly through the Electoral College to a four-year term, along with the vice president. 

Explanation

indirect object is a noun phrase referring to someone or something that is affected by the action of a transitive verb, but is not the primary object.

Explanation

The world`s largest pink diamond mine, Argyle mine, has announced to shut down its operation after 40 years of business operation. The mine is based in Australia.

The world`s larges pink diamond mine, Argyle mine, in the remote Kimberley region of western Australia, has announced that it is shutting down its business, after 40 years of a successful operation.

Explanation

By Using formula 

2n+1=23

⇒    n=11

Explanation

Monotheism means ایک خدا کو ماننا

Explanation

 Twice is used as Adverb

An adverb is a part of speech that provides greater description to a verb, adjective or another adverb.

Explanation

12 men took to 6 hours to complete the work.

It means there is 12 x 6= 72 units of work

Now 12men done work for one hour. So 12 x 1 =12 units of work completed.

Remaining work = 72-12= 60 units

Now the no of men=12+8= 20

So 60 units of work have to complete by 20 men

Therefore 60/20= 3 hours

Explanation

8 men can do work = 20 days 

1 man can do this work = 8*20

10 men can do that work = [8*20]/10

                                              =16 days