Questions

Q:

Metals reacts with acids to give:

A) a salt and chlorine B) a salt and hydrogen
C) a salt and water D) a salt and base
 
Answer & Explanation Answer: B) a salt and hydrogen

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Q:

Which of the following is also used as a Bio fertilizer?

A) Urea B) Ammonia
C) Uric Acid D) Nitrates
 
Answer & Explanation Answer: B) Ammonia

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Q:

If ice floating on water in a vessel melts, the water level in the vessel _______.

A) increases B) does not change
C) first increases before decreasing D) decreases
 
Answer & Explanation Answer: B) does not change

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Q:

In each of the following questions, a question is followed by information given in them Statements I, II and III. You have to study the question along with the statements and decide the information given in which or the statements/ is necessary to answer the question. 

What is the cost of flooring the rectangular hall?

I. Length and the breadth of the hall are in the ratio of 3:2

II. Length of the hall is 48 m and cost of flooring is ₹ 850 Per sq.m.

III. Perimeter of the hall is 160 m and cost of flooring is ₹ 850 per sq m

A) I and II B) I and III
C) Only III D) I and either II or III
 
Answer & Explanation Answer:

Explanation:

From I and II,
Length = 3x = 48 m
∴ x = 16
Breath = 2x = 32 m
Hence, Area of floor = 48 × 32
Cost of flooring = 48 × 32 × 850 = ₹ 1305600
From I and III, 2(l +b) = 160
2(3x + 2x) = 160
10x = 160
∴ x = 16
∴ Length = 3 × 16 = 48 m
Breadth = 2x = 32m
Cost of flooring = (48 × 32) × 850 = ₹ 1305600
Similarly, from II and III, we can find
l = 48 m
b = 32 m
and Total cost of flooring = ₹ 1305600

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

 

barking up the wrong tree

 

A) One should ignore those who keep harassing them B) To say something wrong to a person who has always been kind to you
C) Scolding a thick skinned person will cause no improvement D) To be pursuing a misguided line of course of action
 
Answer & Explanation Answer: D) To be pursuing a misguided line of course of action

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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

to depart from an established course.

 

A) to deviate B) to whirl
C) to err D) to wander
 
Answer & Explanation Answer: A) to deviate

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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.

I said to my sister, "where were you this evening?"

 

A) I asked my sister where she was that evening. B) I asked my sister where she had been that evening.
C) I asked my sister where she was this evening. D) I asked my sister where she has been that evening.
 
Answer & Explanation Answer: B) I asked my sister where she had been that evening.

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

The dog runs ______ the street.

A) of B) with
C) to D) about
 
Answer & Explanation Answer: D) about

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