Quantitative Aptitude - Arithmetic Ability Questions

Q:

2 sec2A is equal to

A) (1 - tanA)2 - (1 + tanA)2 B) √[(1 - tanA)2 + (1 + tanA)2 ]
C) √[(1 - tanA)2 - (1 + tanA)2] D) (1 - tanA)2 + (1 + tanA)2
 
Answer & Explanation Answer: D) (1 - tanA)2 + (1 + tanA)2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Price of 1 kg of sugar is increased by 30% and the increase is of Rs 48. What is the new price (in Rs) of the sugar per kg?

A) 178 B) 160
C) 208 D) 216
 
Answer & Explanation Answer: C) 208

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

On dividing 24a2b2 by 6b2, we will get

A) 4b B) 4ab
C) 4 D) 4a2
 
Answer & Explanation Answer: D) 4a2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Priya's marks in History and Geography are in the ratio 5 : 7. If she got 14 marks more in Geography than in History, what are her History marks?

A) 49 B) 42
C) 56 D) 35
 
Answer & Explanation Answer: D) 35

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

In triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR = 50 cm. If D is the midpoint of QR, then what is the length (in cm) of CD?

A) (4√86)/3 B) (2√86)/3
C) (5√86)/3 D) (5√86)/2
 
Answer & Explanation Answer: A) (4√86)/3

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

In the following question, select the odd word pair from the given alternatives.

A) Error : Accurate B) Careless : Casual
C) Strength : Lethargy D) Gloomy : Cheerful
 
Answer & Explanation Answer: B) Careless : Casual

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If a number is decreased by 10%, it becomes 54. To make it 72, it should be increased by

A) 21% B) 18%
C) 200/9% D) 20%
 
Answer & Explanation Answer: D) 20%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A rectangular red carpet of size 6 ft ×12 ft has a dark red border 6 inches wide. What is the area of the dark red border?

 

A) 9 square feet B) 15 square feet
C) 17 square feet D) 18 square feet
 
Answer & Explanation Answer: C) 17 square feet

Explanation:
Initially carpet is 6×12 = 72 sq feet
Since red border is 6 inches wide from all 4 side
So area without border = 5× 11 = 55 sq feet
Area of border = total–area without border = 72–55 = 17 sq feet
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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