Explanation

 "The manager acknowledged receipt of my letter promptly."

Correct and natural; the standard phrase is “acknowledged receipt.”

Explanation

 "The manager acknowledged receipt of my letter promptly."

Correct and natural; the standard phrase is “acknowledged receipt.”

Explanation

In the U.S. Administration, Ashton Carter served as the 25th Secretary of Defense.

He held this position from February 2015 to January 2017, under the Obama administration. 

Explanation

 RSVP is an initialism derived from the French phrase

"Répondez s'il vous plaît", meaning "please respond" (literally "respond if it pleases you").

It is typically used to request confirmation of an invitation.

Explanation

 "Although he was a novice new at the game, Asad knew the others were playing incorrectly."

اگرچہ وہ اس گیم میں بالکل نیا تھا، اسد جانتا تھا کہ دوسرے غلط طریقے سے کھیل رہے ہیں۔

Note: “a novice new” is a bit redundant, so it would sound better as “Although he was a novice at the game…”, but for this multiple-choice format, “Novice” is the best fit.

Explanation

 The sentence requires a word that means "advice" or "guidance".

"Counsel" can be used as a noun to mean advice or as a verb to mean to advise. 

Explanation

Amin went into exile, first in Libya, then Iraq, and finally in Saudi Arabia, where he lived until he died in 2003.

He was a Ugandan military officer and politician

He served as the 3rd President of Uganda from 25 January 1971 – 11 April 1979

He is known for his brutal regime 

Explanation

1. Original total age of 13 boys:

2. New average after 2 boys join = 13 + 2 = 15 years

Total boys = 13 + 2 = 15 boys

So, the total age of the 15 boys = 15×15=225 years

3. Sum of ages of the 2 new boys =

Explanation

The Paralympic Games are held for physical and intellectual disabled athletes

The Paralympic Games will include 537 events from 22 sports.

There will be 167 medal events, including 93 for men, 73 for women, 

Explanation

 A camcorder is a portable electronic device that combines a video camera and a video recorder.

It is used for recording videos along with sound.