Quantitative Aptitude - Arithmetic Ability Questions

Q:

Both A and B together can complete a work in 20 days and B alone can complete the same work in 36 days. In how many days will A alone complete the work?

A) 30 B) 50
C) 45 D) 42
 
Answer & Explanation Answer: C) 45

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Filed Under: Time and Work
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Q:

The value of tan80° tan10° + sin270° + sin20

A) 0 B) 1
C) 2 D) 32
 
Answer & Explanation Answer: C) 2

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Q:

The bar chart given shows the sales of 3 types of cars in the Indian automotive industry over 4 years. All the sales figures have been shown in terms of 000 units.

If all the 3 categories increase by same rate in 2013 over 2012 as they did in 2012 over 2011, then what will be the total approximate sales (in ‘000 units) of all the 3 categories taken together in year 2013?

A) 2152 B) 2345
C) 3069 D) 3568
 
Answer & Explanation Answer: C) 3069

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Q:

What is the average of 90, 250, 240, 204, and 616?

A) 280 B) 210
C) 230 D) 255
 
Answer & Explanation Answer: A) 280

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

If a sum of money deposited in a bank at simple interest is doubled in 6 years, then after 12 years, the amount will be

A) 5/2times the original amount B) 3times the original amount
C) 7/2times the original amount D) 4times the original amount
 
Answer & Explanation Answer: B) 3times the original amount

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Filed Under: Simplification
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Q:

Find the roots of the quadratic equation 27x2 + 57x  -­ 14 = 0

A) ­2/9, 7/3 B) 2/9, ­-7/3
C) 9/2, ­-3/7 D) -9/2, 3/7
 
Answer & Explanation Answer: B) 2/9, ­-7/3

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Q:

The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

A) 0 B) 1
C) 2 D) √3
 
Answer & Explanation Answer: B) 1

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Q:

Marked price of an item is Rs 900. On purchase of 2 items discount is 16%, on purchase of 5 items discount is 44%. Raksha buys 7 items, what is the effective discount?

A) 10 percent B) 16 percent
C) 36 percent D) 9.6 percent
 
Answer & Explanation Answer: C) 36 percent

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Filed Under: Percentage
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