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Q:

A tank is 2/5 full. If 16 litres of water is added to the tank, it becomes 6/7 full. The capacity of the tank is:

A) 28 litres B) 32 litres
C) 35 litres D) 42 litres
 
Answer & Explanation Answer: C) 35 litres

Explanation:

Let the capacity of the tank be x litres.

 

Then, (6x/7 - 2x/5) = 16 <=> 30x - 14x = 16*35 <=> x = 35

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Q:

In which of the following branches of Knowledge outstandin contribution for the benefits of mankind is not recognised with a Nobel Prize

A) Madicine B) Chemistry
C) Engineering D) Economics
 
Answer & Explanation Answer: C) Engineering

Explanation:
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Filed Under: Honours and Awards

Q:

Who among the following was the first Indian to receive the Megsaysay award

A) Vinoba bhave B) Mother teresa
C) R.K.Laxman D) T.N.Seshan
 
Answer & Explanation Answer: A) Vinoba bhave

Explanation:
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Q:

How many Indians have so far been awarded the Nobel Prize

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

Explanation:
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Q:

The journalist who refused to accept Padma Bhushan was

A) Shekharan Nair B) Khushwant Singh
C) Arun Shourie D) Ratan Thiyam
 
Answer & Explanation Answer: B) Khushwant Singh

Explanation:

Khushwant Singh (Journalist) : Returned his Padma Bhushan in protest against Operation Blue Star (1984); awarded Padma Vibhushan in 2007.

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Q:

The highest score in an inning was  3/11 of the total and the next highest was 3/11 of the reminder . If the score  differ by 9, the total score was :

A) 110 B) 121
C) 132 D) 143
 
Answer & Explanation Answer: B) 121

Explanation:

Let the score be x. Then the highest score = 3x/11.

Reminder = (x - 3x/11) = 8x/11 .Next the highest score = 3/11 of 8x/11 = 24x/121.

3x/11 - 24x/11 = 9 <=> 33x - 24x = 9*121 <=> x= 121..

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Q:

In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 60 questions and secures 130 marks, the no of questions he attempts correctly is :

A) 35 B) 38
C) 40 D) 42
 
Answer & Explanation Answer: B) 38

Explanation:

Let the number of correct answers be X.

Number of incorrect answers = (60 – X).

4x – (60 – x) = 130

=> 5x = 190 

=> x = 38

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Q:

In a group of buffaloes and ducks, the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group ?

A) 6 B) 10
C) 8 D) 12
 
Answer & Explanation Answer: D) 12

Explanation:

Let the number of buffaoes be x and number of ducks be y.

Then 4x + 2y = 2(x + y) + 24  

=> 2x = 24

=> x = 12.

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