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Q:

If cosαcosβ=m and cosαsinβ=n, then the value of m2+n2 cos2β is

A) n2 B) m2
C) mn D) 1
 
Answer & Explanation Answer: A) n2

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Filed Under: Simplification
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Q:

From the circumcentre I of the triangle ABC, perpendicular ID is drawn on BC. If ∠BAC = 60°, then the value of ∠BID is

A) 60° B) 80°
C) 75° D) 45°
 
Answer & Explanation Answer: A) 60°

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Q:

If angles of measure (5y + 62°) and (22° + y) are supplementary , then value of y is

A) 16° B) 32°
C) 8° D) 1°
 
Answer & Explanation Answer: A) 16°

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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

P: This is despite the fact that there is a rampant migration of rural families to urban centres.
Q: Generally the gains of being a unit of the urban population are less than the disadvantages and risks that are inbuilt in the urban life.
R: Rural population still dominates the urban population as far as the number is considered.
S: India is a country of villages.

A) QRSP B) RPQS
C) SRQP D) QPRS
 
Answer & Explanation Answer: C) SRQP

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Filed Under: English
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Q:

Improve the bracketed part of the sentence.
He thanked me for what I (have done) for his wife.

A) had done B) had been done
C) have been done D) No improvement
 
Answer & Explanation Answer: A) had done

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Filed Under: English
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
The reason for (1)/ his failure is because (2)/ he didn't study at all. (3)/ No Error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
I was shocked to hear (1)/ that her husband (2)/ died of an accident. (3)/ No Error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

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Filed Under: English
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Q:

If cot A = n/(n + 1) and cot B = 1/(2n + 1), then what is the value of cot (A + B)?

A) -1 B) 0
C) 1 D) 2
 
Answer & Explanation Answer: A) -1

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Filed Under: Simplification
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