Quantitative Aptitude - Arithmetic Ability Questions

Q:

If a-b=1 and a3-b3 = 61, then the value of ab will be

A) -20 B) 20
C) 30 D) 60
 
Answer & Explanation Answer: B) 20

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The ratio of three numbers is 2 : 3 : 5. If the sum of the three numbers is 275, then what is the largest among the three numbers?

A) 142 B) 137.5
C) 82.5 D) 110.5
 
Answer & Explanation Answer: B) 137.5

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

3/5 of my current age is the same as 5/6 of that of one of my cousin. My age ten ago will be his age four years hence. My current age is ___ years.

A) 60 B) 55
C) 45 D) 50
 
Answer & Explanation Answer: D) 50

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Pradeep has done 1/4th of a job in 14 days, Saquib completes the rest of the job in 56 days. In how many days can they together complete the job?

A) 64 days B) 32 days
C) 16 days D) 8 days
 
Answer & Explanation Answer: B) 32 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Triangle ABC as shown in figure has line XY parallel to the BC and the line BY is the bisector of angle XYC. Which of the following option is correct?

A) BC=XY B) BC=YC
C) BC=BY D) XY=BX
 
Answer & Explanation Answer: B) BC=YC

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Cost price of a refrigerator is Rs 13400. If loss percentage is 4%, then what is the selling price (in Rs) of the refrigerator?

A) 12203 B) 12864
C) 14420 D) 11312
 
Answer & Explanation Answer: B) 12864

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

90% of X = 40% of Y and Y = a% of X. What is the value of a?

A) 225 B) 125
C) 2.25 D) 1.25
 
Answer & Explanation Answer: A) 225

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Filed Under: Percentage
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Q:

In a triangle the length of the side opposite the angle which measures 30 degree is 12 cm, what is the length of the side opposite to the angle which measures 60 degree?

A) 9 cm B) 12√3 cm
C) (15√3)/2 cm D) (9√3)/2 cm
 
Answer & Explanation Answer: B) 12√3 cm

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Filed Under: Area
Exam Prep: Bank Exams

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