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Q:

Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. What is the ratio of the length of a rectangle to the side of a square?

I. The area of the square is 576 sq cm and the area of the rectangle is 600 sq cm.

II. The breadth of the rectangle is half the side of the square.

A) The data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question. B) The data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
C) The data in either Statement I alone are in Statement II alone are sufficient to answer the question. D) The data in both the Statements I and II are not sufficient to answer the question.
 
Answer & Explanation Answer:

Explanation:

From statement I, Area of square = 576 sq cm
Side of square = 24 cm
Area of rectangle = l × b
l × b = 600 sq cm
From statement II, Suppose the breadth of the
rectangle is x. Then side of the square = 2x
Combining both the information, we have
x =12 cm
Now, l × 12 = 600

l=60012=50 cm

Required ratio = 5024=2512=25:12

Both the statements together are sufficient.

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

Which of the following is not a semiconductor?

A) CdS B) NaCl
C) Si D) Ge
 
Answer & Explanation Answer: B) NaCl

Explanation:

Semiconductors are those materials that are neither good conductors nor the good insulators of heat and electricity. Silicon (Si), Germanium (Ge) and Cadmium Sulphide (CdS) are semiconductors which work as conductors in some special conditions only.

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Filed Under: Chemistry
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Q:

Which metal is responsible for Itai-Itai disease?

A) Cadmium B) Nickel
C) Chromium D) Mercury
 
Answer & Explanation Answer: A) Cadmium

Explanation:
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Filed Under: Chemistry
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Q:

The Siachin Glacier's melting waters are the main source of which of the following rivers

A) Bias B) Sutlej
C) Shylok D) Nubra
 
Answer & Explanation Answer: D) Nubra

Explanation:
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Filed Under: Indian Geography
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Q:

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Obfuscate

A) Envelop B) Puzzle
C) Haze D) Clarify
 
Answer & Explanation Answer: D) Clarify

Explanation:
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Filed Under: English
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Q:

Which process requires no energy from the cell?

A) Osmosis B) Diffusion
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The processes both osmosis and diffusion come under passive transport and require no energy. The movement of solute from the region of higher concentration to the region of lower concentration is nothing but diffusion.

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Filed Under: Biology
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Q:

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

To clip one’s wings

A) To be carried away B) To restrict someone's freedom
C) To laugh secretly D) To live within one’s means
 
Answer & Explanation Answer: B) To restrict someone's freedom

Explanation:
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Filed Under: English

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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

Teacher said to children, "Have you prepared well for the finals?"

A) Teacher asked the children whether they have prepared well for the finals. B) Teacher asked the children whether they have been preparing well for the finals.
C) Teacher asked the children if they did prepare well for the finals. D) Teacher asked the children if they had prepared well for the finals.
 
Answer & Explanation Answer: D) Teacher asked the children if they had prepared well for the finals.

Explanation:
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Filed Under: English
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