Explanation

CP = 80, SP = 100

Profit = 100 - 80 = 20

Profit% = (20/80) × 100 = 25%

Last verified on 15-03-2026

Explanation

Divide both numbers by their greatest common divisor (GCD = 80):

160 ÷ 80 = 2, 80 ÷ 80 = 1 → Ratio = 2 : 1.

Last verified on 15-03-2026

Explanation

• Punjab, Pakistan is called the "Land of Five Rivers".
• Because five major rivers—Jhelum, Chenab, Ravi, Beas, Sutlej—flow through it.

Additional information:

There are a total of 24 rivers flowing through Pakistan.

• 8 rivers flow in KPK
• 5 in Punjab
• 4 in Sindh
• 7 in Balochistan

Last verified on 15-03-2026

Explanation

Fertile means capable of producing crops, plants, or offspring.

• Fertile means فصلیں، پودے، یا اولاد پیدا کرنے کے قابل
• Fruitful means پھل دار

Last verified on 15-03-2026

Explanation

Trouble means problems or difficulties.

So its opposite is peace, indicating calmness and absence of problems.

• Trouble means مسائل یا مشکلات
• Peace means پرسکون اور مسائل کی غیر موجودگی

Last verified on 15-03-2026

Explanation

64 is a perfect square (8² = 64)

Last verified on 10-02-2026

Explanation

• Weight is the force exerted on an object due to gravity.
• It depends on both the mass of the object and the acceleration due to gravity (g ≈ 9.8 m/s²).
• Weight (W) = Mass (m) × g

Last verified on 15-03-2026

Explanation

• The filament of an electric bulb is made of Tungsten.
• Because it has a very high melting point (~3422°C).
• It can glow brightly without melting.
• Tungsten provides efficient and long-lasting light in incandescent bulbs.

Last verified on 15-03-2026

Explanation

The correct order of the alimentary canal, also known as the gastrointestinal (GI) tract:

• Mouth: Food enters the mouth, where it's chewed and mixed with saliva.
• Oesophagus: Food passes through the oesophagus, a muscular tube that transports it to the stomach.
• Stomach: The stomach secretes gastric juices to digest proteins and fats.
• Small Intestine: Nutrient absorption occurs in the small intestine, where specialized structures like villi and microvilli increase the surface area.

Last verified on 15-03-2026

Explanation

• First detected: October 2020, India
• WHO designation: Delta variant (Variant of Concern)
• Contagion rate: Higher than original SARS-CoV-2
• Vaccines effective: Pfizer-BioNTech, Moderna, AstraZeneca
• Global spread: Over 100 countries by mid-2021

Last verified on 15-03-2026