Quantitative Aptitude - Arithmetic Ability Questions

Q:

If xa+b+1=xa-b+a-ba+b, then x is equal to

A) 2a-b B) a+b
C) a-b D) 2a+b
 
Answer & Explanation Answer: C) a-b

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Q:

If the selling price is Rs 728 after getting a discount of 9%, what was the marked price?

A) Rs 793.52 B) Rs 800
C) Rs 662.48 D) Rs 667
 
Answer & Explanation Answer: B) Rs 800

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Filed Under: Percentage
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Q:

10% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

A) 15.225 percent B) 14.5 percent
C) 15 percent D) 5.5 percent
 
Answer & Explanation Answer: B) 14.5 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A rectangular swimming pool of length 20 m and breadth 10 m has a uniformly sloping floor. It is 1 m in depth on one end of its length and 3 m at the other. How much water is needed to completely fill this pool? (Take π = 22/7)

A) 800 cubic metres B) 300 cubic metres
C) 480 cubic metres D) 400 cubic metres
 
Answer & Explanation Answer: D) 400 cubic metres

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

What will be the net discount percentage of three successive discounts of 20%, 10% and 30%?

A) 45.2 B) 49.6
C) 54.6 D) 50.4
 
Answer & Explanation Answer: B) 49.6

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Exam Prep: Bank Exams

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Q:

If x + 1/x = √13, then 3x(x2-1) equal to

A) 3√13 B) √13/3
C) 1 D) 3
 
Answer & Explanation Answer: C) 1

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Q:

Seven years ago, the average age of A, B and C was 51 years. If A is 3 years older than B and B is 3 years older then C then the present ages of A, B and C are ( in year)

A) 61, 58 and 55 B) 54, 51, and 48
C) 55, 58, and 61 D) 48, 51 and 54
 
Answer & Explanation Answer: A) 61, 58 and 55

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Q:

Ajay can do a painting in 12 days. Amit is 70% more efficient than Ajay. What is the number of days Amit would need to finish the same painting?

 

A) 6415 B) 5113
C) 335 D) 7117
 
Answer & Explanation Answer: D) 7117

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Filed Under: Time and Work
Exam Prep: Bank Exams

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