Quantitative Aptitude - Arithmetic Ability Questions

Q:

Identical cubes of largest possible size are cut from a solid cuboid of size 65 cm × 26 cm × 3.9 cm. What is the total surface area (in cm2) of all the small cubes taken together?

A) 30420 B) 15210
C) 20280 D) 16440
 
Answer & Explanation Answer: A) 30420

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

5 2078
Q:

In what ratio should coffee powder costing Rs 2500/kg be mixed with coffee powder costing Rs 1500/kg so that the cost of the mixture is Rs 2250/kg?

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

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

8 2078
Q:

Rs. 750 invested for 3 months gave an interest of Rs. 18. What was the simple rate of interest per annum?

A) 9.6% B) 2.4%
C) 7.2% D) 12%
 
Answer & Explanation Answer: A) 9.6%

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Filed Under: Simple Interest
Exam Prep: Bank Exams

7 2078
Q:

The shopkeepers announce the same price of Rs. 700 for a sewing machine. The first offers successive discounts of 30% and 6% while the second offers successive discounts of 20% and 16%. The difference in their selling price is

A) Rs. 9.8 B) Rs. 16.8
C) Rs. 22.4 D) Rs. 36.4
 
Answer & Explanation Answer: A) Rs. 9.8

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 2077
Q:

If tanA - cotA = x, then value of x is?

A) (1 + 2cos2A)/(sinA cosA) B) (sinA cosA)/(1 - 2cos2A)
C) (sinA cosA)/(1 + 2cos2A) D) (1 - 2cos2A)/(sinA cosA)
 
Answer & Explanation Answer: D) (1 - 2cos2A)/(sinA cosA)

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

0 2077
Q:

The area of a trapezium is 21 sq cm, the distance between the parallel sides is 3 cm and one of the parallel sides is 8.3 cm. What is the length of the other parallel side?

A) 12.7 cm B) 7.7 cm
C) 10.7 cm D) 5.7 cm
 
Answer & Explanation Answer: D) 5.7 cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Value of (cos 53° - sin 37°) is

A) 2 sin 37 ̊ B) 2 cos 53 ̊
C) 0 D) 1
 
Answer & Explanation Answer: C) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

According to the will the wealth of Rs 21,25,000 was to be divided between the son and the daughter in the ratio 7/6 : 5/3. How much did the son get (in Rs)?

A) 875000 B) 12,50,000
C) 10,00,000 D) 11,25,000
 
Answer & Explanation Answer: A) 875000

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 2076