Explanation

S.P. = Rs. 475, Loss = 5%

C.P. = 100/100 - 5   x  475  = Rs. 500

In the second case, gain = 5%

S.P. = 100 + 5/100  x  500 = 525

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Explanation

The Islamic Republic of Pakistan is a Federation, consisting of four Provinces

1. Balochistan,
2. Khyber Pakhtunkhwa,
3. Punjab,
4. and Sindh

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The administrative units of Pakistan comprise:

• four provinces,
• one federal territory,
• and two disputed territories
• the Islamabad Capital Territory;
• and the administrative territories of Azad Jammu and Kashmir and Gilgit–Baltistan.

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AGM 01-01-2023

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ND29-1-2023

Explanation

• Claustrophobia is the fear of enclosed spaces.
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• Claustrophobia:- It is an anxiety disorder that causes an intense fear of closed spaces for example in a lift or a small room with no window.
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• Claustrophobia (Fear of Enclosed Spaces)
• Fear of confined spaces (claustrophobia)
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• ***

  ND4-12-2022
  

  
  

Explanation

GRADUALLY: آہستہ آہستہ

Suddenly:  اچانک

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ND4-12-2022

Explanation

The ozone layer lies in the stratosphere, approximately 15-40 kilometers (10-25 miles) above the Earth's surface.

The stratospheric ozone layer is Earth's “sunscreen”  protecting living things from too much ultraviolet radiation from the sun.

Oxygen layer in the atmosphere 

Ozone protects us from the harmful ultraviolet radiation of the sun.

Ozone formula: O3

The ozone layer is depleting: Air pollution

ND17-7-2023

Explanation

The vertical movement of air is called air current.

Temperature differences can cause air currents because warmer air is less dense than cooler air, causing the warmer air to appear 'lighter'.

Air currents can be caused by differences in temperature, pressure, or impurity concentration.

Explanation

Sweden Capital is Stockholm.

Sweden Currency is Swedish Krona.

Sweden official language is Swedish.

Sweden located is in Continent Europe.

Sweden Primary Religion is Christianity.

Sweden Head of Govt. is Prime Minister – Magdalena Andersson.

Sweden Parliament called .

Tricks for Remember

RK12-12-2022

ND23-6-2023

Explanation

Friction can be reduced by changing from sliding to rolling.

Replace sliding friction with rolling element friction.

Such as with the use of rolling element bearings.

Explanation

Seven Words are there in the First Kalimah.

26 letters in first Kalima.

’لاَ اِلٰہَ اِلَّا اﷲُ مُحَمَّدٌ رَّسُوْلُ اﷲ

Explanation