Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the simplified value of 18 - 12 ?

A) 5/√2 B) 5√2
C) 2√5 D) 2/√5
 
Answer & Explanation Answer: A) 5/√2

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Filed Under: Simplification
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Q:

Which of the following is correct?

A) (4x - 5y)2 = 16x2 - 20xy + 25y2 B) (4x - 5y)2 = 16x2 + 40xy - 25y2
C) (4x - 5y)2 = 16x2  - 40xy + 25y2 D) (4x - 5y)2  = 16x2 - 20xy - 25y2
 
Answer & Explanation Answer: C) (4x - 5y)2 = 16x2  - 40xy + 25y2

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Q:

Findout the odd word/letters/number/number pair from the given alternatives.

A) 8912 B) 3469
C) 5555 D) 6734
 
Answer & Explanation Answer: B) 3469

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Filed Under: Odd Man Out
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Q:

Choose the one which is odd from the following options.

A) Coffee B) Rice
C) Tobacco D) Sugarcane
 
Answer & Explanation Answer: B) Rice

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Q:

A mobile plan costs Rs. 32 for 6 minutes. What is the approximate cost, in rupees, for 4 minutes?

A) 21.30 B) 21.40
C) 21.20 D) 21.50
 
Answer & Explanation Answer: A) 21.30

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Q:

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A) 12/13 B) 5/13
C) 5/12 D) 1/5
 
Answer & Explanation Answer: B) 5/13

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Q:

In a committee there are 25 members. If two members whose ages are 64 years and 40 years are replaced by the two new members, then average age of 25 members is decreased by 2 years. What is the average age (in years) of the new members?

 

A) 27 B) 32
C) 38 D) 44
 
Answer & Explanation Answer: A) 27

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Filed Under: Problems on Ages
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Q:

A car travels from A to B with 40 Km/h and returns from B to A with 60 Km/h. Its average speed during the whole journey is

A) 48 km/h B) 50 km/h
C) 45 km/h D) 60 km/h
 
Answer & Explanation Answer: A) 48 km/h

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Filed Under: Time and Distance
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