Explanation

I would rather apply for a foreign scholarship than study here. this is the right sentence.

"Then" is used to show time. 

"Than" is used to show a comparison. 

Explanation

Martello Towers, sometimes known simply as Martellos

Martellos are small defensive forts

Martellos were built across the British Empire during the 19th century, from the time of the French Revolutionary Wars onwards

 the tower was completed in 1565. 

Explanation

With technical support from UNDP, Pakistan has achieved SDG13 well before the 2030 deadline.

Sustainable Development Goal 13 is about climate action and is one of 17 Sustainable Development Goals established by the United Nations General Assembly in 2015.

Explanation

The number of men= 5/11 x 33 = 15,

so out of 33 teachers,

men are 15

and women are 18. 5:6 can be written as 15:18.

For making it 1:1, 15+3: 18,

so 3 male teachers would be hired

Explanation

My Brother is the biography of Muhammad Ali Jinnah, the founder of Pakistan, by his sister Fatima Jinnah. 

Language English

Publisher Quaid-i-Azam Academy

Publication date 1987

Explanation

Copper, silver and gold are the three metals that are used for making coins and are called coinage metals

Explanation

= (5x60)+(10x30)+(15x20) / 30

= 30

Explanation

Total time taken: T=2t

Average speed = d/t = 230t = 115 km/hr

Explanation

8: 200*100 = (8*100): 200 = 800: 200 = 4

Explanation

((S.P - C.P)/C.P)*100 will give you the answer.

=((500–450)/450)*100

=(50/450)*100

=(1/9)*100

=11.11% gain