Aptitude and Reasoning Questions

Q:

A wheelchair slalom event, athletes weave around cones and race to the finish line. A diagram of the rectangular course 30m length &16m bredth is shown. Find the the area of the course

A) 480 B) 560
C) 180 D) 460
 
Answer & Explanation Answer: A) 480

Explanation:

A = lw

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Q:

Archipelago : Islands :: Massif : ?

A) Caves B) Hillocks
C) Mountains D) Forests
 
Answer & Explanation Answer: C) Mountains

Explanation:

First is a group of the second.

Hence, Archipelago : Islands :: Massif : Mountains.

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Q:

Mahesh bought 100 kg of rice for Rs. 1040 and sold it at a loss of as much money as he received for 30 kg rice. At what price did he sell the rice?

A) Rs. 7.46/kg B) Rs. 8/kg
C) Rs. 8.74/kg D) Rs. 8.56/kg
 
Answer & Explanation Answer: B) Rs. 8/kg

Explanation:

Let the selling price of the rice = Rs.P/kg

Now, according to the question,

1040 - 100p = 30p

=> p = 8/kg

 

Hence, the selling price of the rice = Rs. 8/kg

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Q:

Two concentric circles form a ring. The inner and outer circumferences of ring are  5187m and 3527 m respectively. Find the width of the ring.

A) 4 B) 5
C) 6 D) 7
 
Answer & Explanation Answer: A) 4

Explanation:

Let the inner and outer radii be r and R metres.

 

Then  2πR=3527=>R=3527*722*12=8m 

 

 2πR=5287=>R=5287*722*12=12m

 

=> Width of the ring = (R - r) = (12 - 8) m = 4 m.

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Q:

What part of the volume of a cube is the pyramid whose base is the base of then cube and whose vertex is the center of the cube?

A) 4:1 B) 5:1
C) 6:1 D) 7:1
 
Answer & Explanation Answer: C) 6:1

Explanation:

Volume of the cube/volume of pyramid=a313a2×a2

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Filed Under: Volume and Surface Area
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Q:

The mean of 100 observations is 40. It is found that an observation 84 was misread as 48. Then the correct mean is ?

A) 40.36 B) 41.24
C) 41.92 D) 42.05
 
Answer & Explanation Answer: A) 40.36

Explanation:

Given,

mean of 100 observations is 40

=> Total of 100 observations = 40 x 100 = 4000

84 is misread as 48

=> Difference = 84 - 48 = 36

=> Now, new total of 100 observations = 4000 + 36 = 4036

Correct Mean = 4036/100 = 40.36

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Q:

Indolence is related to Work in the same way as Taciturn is related to

A) Observe B) Speak
C) Cheat D) Act
 
Answer & Explanation Answer: B) Speak

Explanation:

"The words in each pair are antonyms of each other". Here "opposite Relationship" exists. The Word Indolence and the word work are opposite to each other. Similarly the opposite of the word Taciturn is speak.

Indolence - Meaning of this word is 'Laziness'

Taciturn - Meaning of this word is ' Saying very little' , not communicating a lot.

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Q:

Arrange the fractions in ascending order

A) 5/8 < 7/12 < 3/4 < 13/16 B) 5/8 < 7/12 < 13/16 < 3/4
C) 5/8 < 3/4 < 13/16 < 7/12 D) 7/12 < 5/8 < 3/4 < 13/16
 
Answer & Explanation Answer: D) 7/12 < 5/8 < 3/4 < 13/16

Explanation:

5/8 = .625, 7/12 = .5833, 3/4 = .75, 13/16 = .8125

So order will be
7/12 < 5/8 < 3/4 < 13/16

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Filed Under: Decimal Fractions

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