Quantitative Aptitude - Arithmetic Ability Questions

Q:

The four walls and ceiling of a room of length 25 m, breadth 12 m and height 10 m are to be painted. Painter A can paint 200 m2 in 5 days, Painter B can paint 250 m2 in 2 days. If A and B work together, they will finish the job in

A) 6 days B) 6 10/33 days
C) 7 10/33  days D) 8 days
 
Answer & Explanation Answer: B) 6 10/33 days

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

What is the equation of the line if its slope is ­2/5 and y-­intercept is 6?

A) 2x + 5y = 6 B) 2x + 5y = 30
C) 2x - 5y = 6 D) 2x + 5y = ­-30
 
Answer & Explanation Answer: B) 2x + 5y = 30

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A natural number, when divided by 5,6,7 or 8,leaves a remainder of 4 in each case. what is the smallest of all such numbers?

 

 

A) 214 B) 424
C) 844 D) 1264
 
Answer & Explanation Answer: C) 844

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, π=22/7)

A) 3√3 : 4 B) 4 : 3√3
C) 3 : 4√3 D) 1 : 12√3
 
Answer & Explanation Answer: A) 3√3 : 4

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

A spaceship travels at 1,260 km/h. How many metres does it travel in 1/10 th of a second?

A) 126 B) 35
C) 36 D) 125
 
Answer & Explanation Answer: B) 35

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Average age of 6 boys is 14 years. Average age of 11 girls is 12 years. What is the average age (in years) of all boys and girls?

 

A) 12.7   B) 14.6
C) 19.3   D) 8.5
 
Answer & Explanation Answer: A) 12.7  

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

The average revenues of 13 consecutive years of a company is Rs 78 lakhs. If the average of first 7 years is Rs 73 lakhs and that of last 7 years is Rs 85 lakhs, what is the revenue for the 7th year?

A) Rs 94 lakhs B) Rs 90 lakhs
C) Rs 88 lakhs D) Rs 92 lakhs
 
Answer & Explanation Answer: D) Rs 92 lakhs

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Find equation of the perpendicular to segment joining the points A(0,4) and B(-5,9) and passing through the point P. Point P divides segment AB in the ratio 2:3.

A) x - y = 8 B) x - y = -8
C) x + y = -8 D) x + y = 8
 
Answer & Explanation Answer: B) x - y = -8

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