Q:

Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.

A) 2:9	B) 3:9
C) 1:9	D) 4:9

Answer & Explanation Answer: C) 1:9

Explanation:

Let their edges be a and b. Then,

a3/b3 = 1/27 (or) (a/b)3 = (1/3)3 (or) (a/b) = (1/3).

\Ratio of their surface area = 6a2/6b2 = a2/b2 = (a/b)2 = 1/9, i.e. 1:9.

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Filed Under: Quantitative Aptitude - Arithmetic Ability

31 14890

Q:

The nitrogen atom has 7 protons and 7 electrons,The nitride ion will have

A) 10 protons and 7 electrons	B) 7 protons and 10 electrons
C) 4 protons and 7 electrons	D) 4 protons and 10 electrons

Answer & Explanation Answer: B) 7 protons and 10 electrons

Explanation:

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Filed Under: Chemistry

42 14879

Q:

Civil equality implies

A) Equality before law	B) Equality of opportunity
C) Equal distribution of wealth	D) Equal right to participate in the affairs of the State

Answer & Explanation Answer: A) Equality before law

Explanation:

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Filed Under: Indian Politics

34 14869

Q:

A Computer works on a _______ number system

A) binary	B) octal
C) decimal	D) hexadecimal

Answer & Explanation Answer: A) binary

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

49 14869

Q:

Manipur has common boundaries with the group of states of

A) Meghalaya, Mizoram and Tripura	B) Nagaland, Mizoram and Meghalaya
C) Nagaland, Assam and Mizoram	D) Nagaland, Meghalaya and Tripura

Answer & Explanation Answer: C) Nagaland, Assam and Mizoram

Explanation:

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Filed Under: Indian Geography

53 14850

Q:

Which unit holds data temporarily?

A) Secondary storage unit	B) Output Unit
C) Primary Memory Unit	D) Input unit

Answer & Explanation Answer: C) Primary Memory Unit

Explanation:

Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU.

Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory.

Manufacturers often use the term RAM, which stands for random-access memory.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

23 14840

Q:

First China War was fought between

A) China and Britain	B) China and France
C) China and Egypt	D) China and Greek

Answer & Explanation Answer: A) China and Britain

Explanation:

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Filed Under: General Awareness

78 14836

Q:

When a gas is turned into a liquid, the process is called

A) condensation	B) evaporation
C) deposition	D) sublimation

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