Explanation: 1/6 + 1/12 = 1/4.
Explanation: 1/6 + 1/12 = 1/4.
Explanation: Ratio A:B = 2:1 → A's time = 45 days.
Explanation: Less time means higher efficiency.
Explanation: Workers × days = constant → 15×20 = x×10 → x=30.
Explanation: A does 1/3 work in 3 days → remaining 2/3. B's rate = 1/18 → time = 12 days.
Explanation: A does 1/4 work → remaining 3/4. B rate = 1/30 → time = 22.5 days (approx).
Explanation: Daily work = 1/4.
Explanation:
Ancient Indraprastha was the capital of the Kuru Mahajanapada.
✅ Correct Answer: (A) Kuru
Explanation:
Indraprastha (identified with modern Delhi) was the capital of the Kuru Mahajanapada, one of the sixteen Mahajanapadas mentioned in ancient Indian texts.
Explanation:
Ahmedabad was founded by Ahmedshah I.
✅ Correct Answer: (C) Ahmedshah I
Explanation:
Ahmedshah I, the ruler of the Muzaffarid dynasty of Gujarat, founded Ahmedabad in 1411 CE on the banks of the Sabarmati River and made it his capital.
Explanation:
The freedom fighters who were revolutionaries are Bhagat Singh and Khudiram Bose.
✅ Correct Answer: (D) Only (A) & (B)
Explanation: