Explanation

"Since" is used to indicate the time from a past event up to now or another point in the past.

The sentence refers to events that occurred after the speaker left school — so "since I left the school" is correct.

Explanation

Prime Factorization

1050 = 2 × 3 × 5 × 5 × 7

750 = 2 x 3 x 5 x 5 x 5

Common Factor = 2 x 3 x 5 x 5 = 150

Greatest Common Factor (GCF) = 150

Explanation

148 divided by 37 equals 4, with no remainder.

Explanation

KB stands for Kilobyte

MB stands for Megabyte

GB stands for Gigabyte

TB stands for Terabyte

Explanation

"Have had" is the correct present perfect tense to show ownership continuing from the past to the present.

"Have been" requires a verb ending in -ing, which is not present here.

Explanation

• The flag of Canada features a red field with a white square at its center, in which is featured a stylized, red, 11-pointed maple leaf.
• The maple leaf has been used as a symbol of Canada.

Explanation

The pattern of the series appears to be square numbers:

• 1 = 1^2
• 9 = 3^2
• 25 = 5^2
• 49 = 7^2
• 81 = 9^2
• 121 = 11^2

So, the correct completion of the series would be:

1, 9, 25, 49, 81, 121

Explanation

Qatar Capital is Doha.

Qatar Currency is Qatari Riyal.

Qatar official language is Arabic.

Qatar located is in Continent Asia.

Qatar Primary Religion is Islam.

Qatar Head of Govt. is Prime Minister – Khalid bin Khalifa bin Abdul Aziz Al Thani.

Qatar Parliament called .

Tricks for Remember

Explanation

The other name for Newton's second law is the law of force and acceleration.

Explanation

This sentence belongs to Passive Voice.

We use by in Passive voice.

We use doer of an action after by.

By is considered to be preposition.

The vice-president will be seated by the chairman at the banquet. 

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