Explanation

Pentane is an organic compound with the formula C5H12—that is, an alkane with five carbon atoms.

Pentane has three isomers i.e; pentane, 2-methyl butane and 2,2-dimethyl propane .

The b.p of pentane is 309.1K whereas 2,2-dimethyl propane shows a b.p of 282.5k.

The three structural isomers of pentane are n-pentane, isopentane, and neopentane.

Explanation

Benazir Bhutto was the youngest elected leader in the Islamic world, the world's youngest Prime Minister

Benazir Bhutto became the first female Prime Minister in a Muslim-majority country,

Explanation

This oldest oil well is located in Toot area, Pothohar Plateau, Punjab, Pakistan.

First Oil well drilled in 1964, when President of Pakistan was Ayub Khan.

 There are about 60 million barrels of oil in place

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Pakistan's first gas field was found in late 1952 in Balochistan near the giant Sui gas field

Explanation

Error means خرابی

Mistake means غلطی

Explanation

As rupees is the currency of Pakistan similarly is the yen is the currency of Japan

The yen  symbol  ¥

The rupees symbol is RS

Explanation

If create is to excreate then cute is to excute

EX is used before the word as create is excreate then cute will be excute

Explanation

Light is to eye hear is to ear 

As the eye is to see the light and similar ear is to hear 

Explanation

Explanation

A rectangle is a four-sided shape with four right angles (90-degree angles).

There are two types of special rectangles including:

the square 

the Fibonacci rectangle.

Explanation

there is a difference of 3 in every option except the third option in which it is two.

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