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Q:

S, T and U started a business and their capitals are in the ratio of 3 : 4 : 6. At the end they receive the profit in the ratio of 1 : 2 : 3. What will be the respectiveratio of time period for which they contributed their capitals?

A) 3 : 2 : 2 B) 2 : 3 : 3
C) 2 : 2 : 3 D) 4 : 5 : 3
 
Answer & Explanation Answer: B) 2 : 3 : 3

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Filed Under: Ratios and Proportions
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Q:

Read the sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. If the given sentence is correct as it is, the answer is ‘No error’. Ignore the errors of punctuation, if any.

Sometimes, when you are used to/ see a player in the commentary/ box over a long period, you tend to/ forget what a great player he was

A) Sometimes, when you are used to B) See a player in the commentary
C) Box over a long period, you tend to D) Forget what a great player he was
 
Answer & Explanation Answer: B) See a player in the commentary

Explanation:

The error lies in the second part of the sentence. The form V + -ing is called a gerund if it serves as a noun. In the given sentence "to" has been used as a preposition (in a prepositional phrase) and not an infinitive, thus, the gerund form "seeing" is correct. E.G. I look forward to meeting my relatives. Thus, option 2 is correct. Here, 'used to' is used in the present tense to indicate that one has a habit of doing something.

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Filed Under: English

Q:

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?

A) 21 B) 17
C) 19 D) 9
 
Answer & Explanation Answer: C) 19

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Filed Under: Chemistry
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Q:

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.


P: Modern medicine has scored significant victories against both, and the major causes of ill health and death are now the chronic degenerative diseases, such as
coronary artery disease, arthritis, osteoporosis, Alzheimer's, macular degeneration, cataract and cancer.
Q: It follows that the majority of apparently healthy people are pre-ill.
R: Throughout human history the leading causes of death have been infection and trauma.
S: These have a long latency period before symptoms appear and a diagnosis is made.

A) RPSQ B) PRQS
C) PSQR D) QRSP
 
Answer & Explanation Answer: A) RPSQ

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Filed Under: English

Q:

What is the number of groups and periods in the modern periodic table?

A) 18, 7 B) 18, 8
C) 16, 7 D) 16, 8
 
Answer & Explanation Answer: A) 18, 7

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Filed Under: Chemistry

Q:

Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s

A) 2000 B) 0.016
C) 1000 D) 0.008
 
Answer & Explanation Answer: D) 0.008

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Filed Under: Physics

Q:

A, B and C start a business and the ratio of their investment is 8 : 5 : 3. If at the end the ratio of their profits is 4 : 15 : 6, then what is the ratio of time period of their investment?

A) 1 : 6 : 5 B) 2 : 3 : 4
C) 1 : 6 : 4 D) 2 : 6 : 3
 
Answer & Explanation Answer: C) 1 : 6 : 4

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Filed Under: Ratios and Proportions
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Q:

Which of the following inert gases is placed in period 4 of the periodic table?

A) Kr B) Rn
C) Xe D) Ar
 
Answer & Explanation Answer: A) Kr

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Filed Under: Chemistry
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