Explanation

دو گز زمین بھی نہ ملی کوئے یار میں یہ مصرعہ بہادر شاہ ظفر شاعر کا ہے

Explanation

Just as tall is the opposite of short, treachery is the opposite of loyalty.

Explanation

رحمان بابا پشتو زبان کے شاعر ہیں۔

Explanation

Hydroelectric power is considered the cheapest and most environmentally friendly source of electricity.

As it utilizes the energy from flowing water without emitting greenhouse gases.

Explanation

The analogy compares characteristics: just as a stone is hard, a feather is soft.

Explanation

"I am tired as I have been working since morning."

میں صبح سے کام کر کے تھک گیا ہوں۔

The present perfect continuous tense is used here to indicate an action that started in the past and is still ongoing.

Explanation

The element required for solar energy conversion is silicon.

Silicon is the most common semiconductor material: Silicon is used in about 95% of solar cells sold today. 

Silicon is a naturally occurring element: Silicon is the second most abundant element on Earth, after oxygen.

Explanation

Amount of work done by A and B in 1 day = 1/30

Amount of work done by A and B in 20 days = 20 × (1/30) = 20/30 = 2/3

Remaining work – 1 – 2/3 = 1/3

A completes 1/3 work in 20 days

Amount of work A can do in 1 day = (1/3)/20 = 1/60

=> A can complete the work in 60 days

Explanation

The Maldives has the highest GDP per capita in South Asia due to its tourism-based economy.

Nepal has the lowest GDP per capita in South Asia.

Explanation

Ounce does not belong with the others.

Ounce is a unit of weight.

Yard, centimeter, and inch are units of length.