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Q:

In a class of 60 students, the number of boys and girls participating in the annual sports is in the ratio 3 : 2 respectively. The number of girls not participating in the sports is 5 more than the number of boys not participating in the sports. If the number of boys participating in the sports is 15, then how many girls are there in the class ?

A) 20 B) 25
C) 30 D) Data inadequate
 
Answer & Explanation Answer: C) 30

Explanation:

Let the number of boys and girls participating in sports be 3x and 2x respectively.

 

Then, 3x = 15 or x = 5.

 

So, number of girls participating in sports = 2x = 10.

 

Number of students not participating in sports = 60 - (15 + 10) = 35.

 

Let number of boys not participating in sports be y.

 

Then, number of girls not participating in sports = (35 -y).

 

Therefore (35 - y) = y + 5 <=> 2y<=>  30<=> y = 15.

 

So, number of girls not participating in sports = (35 - 15) = 20.

 

Hence, total number of girls in the class = (10 + 20) = 30.

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Filed Under: Arithmetical Reasoning

Q:

I.  All the offices on the 9th floor have wall-to-wall carpeting.

II. No wall-to-wall carpeting is pink.

III.None of the offices on the 9th floor has pink wall-to-wall carpeting.

If the first two statements are true, the third statement is

A) true B) false
C) uncertain D) none
 
Answer & Explanation Answer: A) true

Explanation:

If no wall-to-wall carpeting is pink and all the offices have wall-to-wall carpeting, none of the offices has pink wall-to-wall carpeting.

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Filed Under: Logic

Q:

I.  Apartments in the Riverdale Manor cost less than apartments in The Gaslight Commons.

II. Apartments in the Livingston Gate cost more than apartments in the The Gaslight Commons.

III.Of the three apartment buildings, the Livingston Gate costs the most.

If the first two statements are true, the third statement is

A) true B) false
C) uncertain D) none
 
Answer & Explanation Answer: A) true

Explanation:

Since the Gaslight Commons costs more than the Riverdale Manor and the Livingston Gate costs more than the Gaslight Commons, it is true that the Livingston Gate costs the most.

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Filed Under: Logic

Q:

The press should not be afraid of upholding and supporting a just and righteous cause. It should not be afraid of criticising the government in a healthy manner. The press has to be eternally vigilant to protect the rights of the workers, backward and suppressed sections of the society. It should also give a balanced view of the things so that people can be helped in the formation of a healthy public opinion. 

 

The passage best supports the statement that

A) the freedom of press is essential for the proper functioning of democracy. B) the press is the only means to project to the masses the policies of the government.
C) press has a great role to play in a democracy. D) the press can be used by the governments as an effective media for the upliftment of the backward sections of society.
 
Answer & Explanation Answer: A) the freedom of press is essential for the proper functioning of democracy.

Explanation:
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Filed Under: Theme Detection

Q:

The school has always been the most important means of transferring the wealth of tradition form one generation to the next. This applies today in an even higher degree than in former times for, through the modern development of economy, the family as bearer of tradition and education has become weakened.

 

This passage best supports the statement that for transferring the wealth of tradition from one generation to the next  _______

A) there are means other than the school. B) several different sources must be tried.
C) economic development plays a crucial role D) modern technology must be put to use.
 
Answer & Explanation Answer: C) economic development plays a crucial role

Explanation:
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Filed Under: Theme Detection

Q:

One of the important humanitarian by-products of technology is the greater dignity and value that it imparts to human labour. In a highly industrialized society, there is no essential difference between Brahmin and Dalit, Muslim and Hindu; they are equally useful and hence equally valuable for in the industrial society individual productivity fixes the size of the pay cheque and this fixes social status.

 

The passage best supports the statement that:

A) technology decides individual's social status. B) castes and religions are man-made.
C) human labour has dignity and value. D) all individuals, irrespective of caste and creed, are born equal.
 
Answer & Explanation Answer: C) human labour has dignity and value.

Explanation:
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Filed Under: Theme Detection

Q:

The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:

A) 1677 B) 1683
C) 2523 D) 3363
 
Answer & Explanation Answer: B) 1683

Explanation:

L.C.M. of 5, 6, 7, 8 = 840.

 

 Required number is of the form 840k + 3

 

Least value of k for which (840k + 3) is divisible by 9 is k = 2.

 

 Required number = (840 x 2 + 3) = 1683.

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Filed Under: HCF and LCM

Q:

A container contains 40 litres of milk.From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container.

A) 26.34 litres B) 27.36 litres
C) 28 litres D) 29.16 litres
 
Answer & Explanation Answer: D) 29.16 litres

Explanation:

Amount of milk left after 3 operations

 

401-4403=40*910*910*910=29.16 litres

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Filed Under: Alligation or Mixture