Explanation

• The Three Gorges Dam in China is the world's largest dam by electricity generation capacity.
• It is built on the Yangtze River.
• The dam has an installed capacity of 22,500 MW (22.5 GW).
• It became fully operational in 2012.
• It is the world's largest hydroelectric power station by installed capacity.

Last verified on 12-07-2026

Explanation

Explanation

The official language of Japan is Japanese.

The currency of Japan is the yen.

Japan is an island country in East Asia.

Japan is situated in the northwest Pacific Ocean.

The capital of Japan is Tokyo.

The largest city in Japan is Tokyo.

Japan is a part of the Ring of Fire.

Japan is the eleventh most populous country in the world.

Japan is located on the continent of Asia.

Japan's primary religions are Buddhism and Shinto, but it is a secular country.

Japan's parliament is called the Diet.

Last verified on 17-03-2026

Explanation

• South Korea is famous for its shipbuilding industry.
• It is one of the world's leading producers of commercial ships.
• The country builds LNG carriers, container ships, oil tankers, and naval vessels.
• Shipbuilding is a major contributor to South Korea's economy and exports.
• China and Japan are also among the top shipbuilding nations.

Last verified on 12-07-2026

Explanation

A is the mother of B.

B is married to C.

C is the father of D, so B is D's mother.

Therefore, A, being B's mother, is D's grandmother.

Last verified on 12-07-2026

Explanation

• The formula for probability is: Favorable Outcomes ÷ Total Outcomes.
• Probability measures the chance of an event occurring.
• Its value always lies between 0 and 1.
• 0 means the event is impossible, while 1 means it is certain.
• It is widely used in mathematics, statistics, and everyday decision-making.

Last verified on 12-07-2026

Explanation

In set theory:

Union of two sets A and B is written as: A ∪ B

It means all elements that are in A or in B or in both.

Intersection of two sets A and B is written as: A ∩ B  

It means all elements that are in both A and B.

Last verified on 12-07-2026

Explanation

• The 1857 War of Independence started from Meerut on 10 May 1857.
• It began as a sepoy (soldier) mutiny against the British East India Company.
• It is also known as the Indian Rebellion of 1857 or the First War of Independence.
• Major Centers: Delhi, Kanpur, Lucknow, Jhansi, Bareilly
• Ended: 1858, after the British suppressed the revolt.

Last updated 08 Nov 2026 by NA 

Explanation

• War Began: 19 April 1775
• Declaration of Independence: 4 July 1776
• War Ended: 3 September 1783
• Treaty: Treaty of Paris (1783)
• Opponents: Great Britain vs Thirteen (13) American Colonies

Last verified on 12-07-2026

Explanation

Boys = 40% of 60 = 24

Absent boys = 25% of 24 = 6

Present boys = 24 − 6 = 18

Last verified on 12-07-2026