Basic General Knowledge - Study Mode

[#521] The three abundant elements in the earth's crust are aluminium, oxygen and silicon. The correct order of their abundance is
Correct Answer

(C) oxygen, silicon, aluminium

Explanation

Solution: The three abundant elements in the earth's crust are oxygen, silicon, aluminium. The mass-abundance of the nine most abundant elements in the Earth's crust is approximately: oxygen 46%, silicon 28%, aluminum 8.3%, iron 5.6%, calcium 4.2%, sodium 2.5%, magnesium 2.4%, potassium 2.0%, and titanium 0.61%. Other elements occur at less than 0.15%.

[#522] The theory of utilitarianism was expounded by
Correct Answer

(D) All of the above

Explanation

Solution: The theory of utilitarianism was expounded by Jeremy Bentham (1748-1836), James Mill(1773-1839) and Henry Sidgwick (1838-1900). Utilitarianism is a normative ethical theory that places the locus of right and wrong solely on the outcomes (consequences) of choosing one action/policy over other actions/policies.

[#523] The velocity of sound in air (under normal condition) is
Correct Answer

(C) 332 m/sec

Explanation

Solution: The velocity of sound in air (under normal condition) is 332 m/sec.

[#524] The term steeplechase is associated with which of the following sports?
Correct Answer

(D) Horse Racing

Explanation

Solution: The term steeplechase is associated with Horse Racing. Horse racing is an equestrian performance sport, typically involving two or more horses ridden by jockeys over a set distance for competition.

[#525] The total number of Judges of the International Court of Justice is
Correct Answer

(C) 15

Explanation

Solution: The total number of Judges of the International Court of Justice is 15. The ICJ is composed of fifteen judges elected to nine-year terms by the UN General Assembly and the UN Security Council from a list of people nominated by the national groups in the Permanent Court of Arbitration.