Quantitative Aptitude - Arithmetic Ability Questions

Q:

The cost price of an article is x. It is marked up by 120%. It is sold at Rs 8800 after giving 20% discount. What is the value (in Rs) of x?

A) 7680 B) 6000
C) 6680 D) 5000
 
Answer & Explanation Answer: D) 5000

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Filed Under: Percentage
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Q:

In these tests find the Odd figure out

A) a B) b
C) c D) d
 
Answer & Explanation Answer: D) d

Explanation:

In all figures, the upper circle overlaps the lower circle but in option D lower circle overlaps the upper.

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Filed Under: Odd Man Out
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Q:

What is the value of tan3A?

A) (3tanA -­ tan3A)/(1 -­ 3tan2A) B) (3tanA + tan3A)/(1 + 3tan2A)
C) (3tanA -­ tan3A)/(1 + 3tan2A) D) (3tanA + tan3A)/(1-­ 3tan2A)
 
Answer & Explanation Answer: A) (3tanA -­ tan3A)/(1 -­ 3tan2A)

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Filed Under: Simplification
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Q:

A sum of 2,000, invested at the rate of 8.5% simple interest per annum for 6years will yield an interest of

A) Rs. 935 B) Rs. 1020
C) Rs. 510 D) Rs. 1275
 
Answer & Explanation Answer: B) Rs. 1020

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Filed Under: Simple Interest
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Q:

The number of pupils of a class is 55. The ratio of the number of male pupils to the number of female pupils is 5: 6. The number of female pupils is

A) 11 B) 25
C) 30 D) 35
 
Answer & Explanation Answer: C) 30

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Q:

If a taxi going at 40 km/hr takes 25 minutes to travel a certain distance, by how much should it increase its speed (in km/hr) to travel the same distance in 20 minutes?

A) 50 B) 5
C) 25 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Time and Distance
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Q:

The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is :

A) 49/7 B) 19/7
C) 50/7 D) 18/7
 
Answer & Explanation Answer: D) 18/7

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Filed Under: Average
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Q:

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is 

A) 7 B) 6
C) 3.5 D) 2.5
 
Answer & Explanation Answer: C) 3.5

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