Explanation

Oxygen has 8 protons and typically 8 neutrons, giving it a mass number of 16.

Mass number = Number of protons + Number of neutrons.

Explanation

The idiom "flogging a dead horse" means trying to continue with something that has no hope of success.

In this context, it suggests further appeals are pointless and a waste of time.

Explanation

The correct phrasing requires "Was the microwave" to form a proper question about the invention of the microwave.

It follows the structure of asking about the invention of a specific item in the past.

Explanation

Greatest 5-digit number = 99,999

Smallest 4-digit number = 1,000

Sum = 99,999 + 1,000 = 100,999

Explanation

دَاتَا گَنْجْ بَخْش نے مجِستَان میں جنم لیا اور اجمیر میں وفات پائی۔

وہ ایک عظیم صوفی بزرگ تھے۔

ان کا اصل نام سید محمد تھا اور ان کی تعلیمات نے بہت سے لوگوں کو متاثر کیا۔

Explanation

"Listen boys!" is giving a command or instruction, which is the key feature of an imperative sentence.

Imperative sentences often start with a verb and address someone directly.

Explanation

منڈلاتا کا مطلب ہے فضا میں یا کسی جگہ کے آس پاس چکر لگانا۔

جیسے: چیل فضا میں منڈلا رہی تھی۔

Explanation

The formula for the volume of a hemisphere is:

(2/3) × π × r^3

Given diameter = 16.8 cm, so radius (r) = 16.8 / 2 = 8.4 cm

Volume = (2/3) × π × (8.4)^3

= (2/3) × 3.14159 × 592.704

≈ 1241.85 cm^3

Explanation

Under the Indian Councils Act of 1861, the Governor-General of India was empowered to:

• Establish new Legislative Councils in other provinces (e.g., Bengal, NWFP, Punjab).
• Nominate additional members to the Central Legislative Council.

Explanation

Alexander the Great conquered Gandhara in 326–327 BCE during his campaign into the Indian subcontinent.

Gandhara was a key region due to its strategic location and cultural significance.