Explanation

Days in which 40 cows eat 40 bags of husk = 40 days

Days in which 1 cow eat 40 bags of husk = 40 * 40 days

Days in which 1 cow eat 1 bag of husk = (40 * 40) / 40 bags

In a dairy form 40 cows eat 40 bags of husk in 40 days, In 40 days one cow will eat one bag of husk

Explanation

The Mac Mohan Line is the international boundary line between India  (North-east region)  and China  (Tibetan region)

The Mac Mohan Line was proposed by Henry Mac Mohan

The Mac Mohan Line line is proposed by the Administrator of British colonial Henry McMahon in the Shimla Convention in 1914

Explanation

 A biosensor is a sensor exploiting a bio-molecule 

It is used to measure the presence of a certain substance in a liquid.

Additional information:

For example,

biosensors include those used to detect viruses in the blood or measure glucose levels in the blood.

These are mainly point-of-care applications, where direct results are important.

Explanation

English is the most spoken language in the world, with over 1.4 billion speakers in 2023.

Other some widely spoken languages:

• Bengali: 272,800,000 speakers
• Portuguese: 263,600,000 speakers
• Russian: 255,000,000 speakers
• Urdu: 231,700,000 speakers 

Explanation

The Nehru-Liaquat Pact, also known as the Delhi Pact

It was a bilateral treaty between India and Pakistan

It was signed on 08-April-1950.

Expiration: 8 April 1956

Signatories:

• Jawahar Lal Nehru(Prime Minister of India)
•  Liaquat Ali Khan (Prime Minister of Pakistan)

Explanation

“The Playground of Europe” is a famous book written by Leslie Stephen in 1870.

He named Switzerland a playground of Europe because it is full of lush greenery and beautiful mountain ranges.

Explanation

 Short-sight defect could be corrected by using concave lens while long-sight defect could be corrected by using convex lens.

Explanation

• the planet that moves around the Sun at the largest speed is Mercury
• ***
• Mercury is the fastest planet, which speeds around the sun at 47.87 km/s.
• In miles per hour, this equates to a whopping 107,082 miles per hour.

Explanation

Average of prime numbers between 30 to 50 will be

31 + 37 + 41 + 43 + 47/5

 =

199/5

 = 39.8

Explanation

Very high frequency is ITU designation for the range of radio frequency electromagnetic waves from 30 to 300 megahertz, with corresponding wavelengths of ten to one meters.