Quantitative Aptitude - Arithmetic Ability Questions

Q:

The curved surface area of a hemisphere is 27.72 sq cm and volume is 19.404 cubic cm, find its radius?

A) 4.2 cm B) 2.1 cm
C) 0.7 cm D) 1.05 cm
 
Answer & Explanation Answer: B) 2.1 cm

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Q:

Which of the following is the CORRECT option for the triangles having sides in the ratio of 3:4:6?

A) Acute angled B) Obtuse angled
C) Right angled D) Either acute or right angled
 
Answer & Explanation Answer: B) Obtuse angled

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Q:

Find the fraction which is as much greater than 4/7 as it is less than 5/6

A) 58/84 B) 59/84
C) 59/85 D) 84/59
 
Answer & Explanation Answer: B) 59/84

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Q:

How many times does the number 5 occur in the range of numbers from 1 to 100?

A) 21 B) 22
C) 20 D) 19
 
Answer & Explanation Answer: C) 20

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Q:

The product of two numbers is 0.324. One of the numbers is 1.2. What is the other number?

A) 2.7 B) 0.27
C) 0.027 D) 27
 
Answer & Explanation Answer: B) 0.27

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Q:

The amount of extension in a spring is proportional to the weight hung on it. If the weight of 5 kgs produces an extension of 0.4 cm, what weight would produce an extension of 5cm?

A) 6.25kgs B) 62.5kgs
C) 4kgs D) 40kgs
 
Answer & Explanation Answer: B) 62.5kgs

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Q:

What is the equation of the line perpendicular to the line 2x + 3y= -6 and having Y-intercept 3?

A) 3x - 2y = 6 B) 3x - 2y = -6
C) 2x - 3y = -6 D) 2x - 3y = 6
 
Answer & Explanation Answer: B) 3x - 2y = -6

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Q:

Volume of a cylinder is 2310 cubic cm. If circumference of its base is 44 cm, find the curved surface area of the cylinder?

A) 660 sq cm B) 1320 sq cm
C) 1980 sq cm D) 330 sq cm
 
Answer & Explanation Answer: A) 660 sq cm

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