Exams


Q:

If a student walks at the rate of 4 mts/min from his home, he is 4 minutes late for school, if he walks at the rate of 6 mts/min he reaches half an hour earlier. How far is his school from his home ?

A) 100 mts B) 96 mts
C) 98 mts D) 120 mts
 
Answer & Explanation Answer: C) 98 mts

Explanation:

Let the distance between home and school is 'x'.
Let actual time to reach be 't'.
Thus, x/4 = t + 4 ---- (1)
and x/6 = t - 30 -----(2)
Solving equation (1) and (2)
=> x = 98 mts.

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Filed Under: Time and Distance
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7 5459
Q:

[(84)2÷28×12] ÷24 =7×?

A) 15 B) 17
C) 19 D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams
Job Role: Bank PO

25 5456
Q:

Who had introduced yoga first time to western world in a religion conference Chicago, America in 1893?

A) Baba Ramadev B) Maharshi Patanjali
C) Swami Vivekananda D) Narendra Modi
 
Answer & Explanation Answer: C) Swami Vivekananda

Explanation:

Who_had_introduced_yoga_first_time_to_western_world1561114052.jpg image

Swami Vivekananda had introduced yoga first time to western world in a religion conference Chicago, America in 1893.

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Filed Under: General Awareness
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6 5455
Q:

What is another name for the governor of a state?

A) Chief Executive B) Attorney General
C) Secretary of the State D) Vice Pesident
 
Answer & Explanation Answer: A) Chief Executive

Explanation:

Another name for the governor of the state is Chief Executive of the state.

And we also know that, The attorney general is the head of the US Department of Justice, The vice president is just under the president of the US and The secretary of state is the head of the US Department of State.

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5 5454
Q:

In a competitive examination, the average marks for the entire examination was 60 marks. If 20% of the applicants scored 85 marks and 25% scored 95 marks. What was the average marks of the remaining applicants in the examination ?

A) 60 B) 52
C) 45 D) 35
 
Answer & Explanation Answer: D) 35

Explanation:

Let the total applicants be 100

 

Then, 20% got 85 marks

i.e 20 x 85 = 1700

 

and 25% got 95 marks

 i.e 25 x 95 = 2375

 

Now, the remaining applicants are 55 and let the average marks scored by them be x.

 

Therefore, 2375 + 1700 + 55x  =  60×100 

6000 - 4075 = 55x

55x=1925

x=35.

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Filed Under: Percentage
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8 5454
Q:

What is the systematic name of Mg(NO3)2?

A) Manganese nitrite B) Magnesium nitrite
C) Magnesium nitrate D) Manganese nitrate
 
Answer & Explanation Answer: C) Magnesium nitrate

Explanation:

Mg(NO3)2 is Magnesium nitrate.

 

In the case of Mg(NO3)2, the metal in the compound is magnesium (Mg), and the non-metal here is called the nitrate ion (NO3). This makes the name of the compound simply magnesium nitrate.

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Filed Under: Chemistry
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3 5453
Q:

Emphasize most nearly means

A) Accentuate B) Calculate
C) Justify D) Demain
 
Answer & Explanation Answer: A) Accentuate

Explanation:

Emphasize means giving special importance or worth giving attention to in speaking or writing.

Here in the options, Accentuate is most nearly means Emphasize.

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Filed Under: English
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6 5448
Q:

The length, breadth and height of a room are in the ratio 7:3:1. If the breadth and height are doubled while the length is halved, then by what percent the total area of the 4 walls of the room will be increased  ?

A) 90% B) 88%
C) 85% D) 84%
 
Answer & Explanation Answer: A) 90%

Explanation:

Let length, breadth and height of the room be 7, 3, 1 unit respectively.

Area of walls = 2(l+b)xh = 2(7+3)x1 = 20 sq. unit.

Now, length, breadth and height of room will become 3.5, 6 and 2 respectively. 

Area of walls = 2(l+b)xh = 2(3.5+6)x2 = 38 sq. unit. 

% Increase in the area of walls = (38-20)x100/20 = 90%.

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Filed Under: Area
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15 5448