Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the simplified value of 0.042+0.212-0.00840.043+0.213

A) 0.5 B) 2
C) 10.25 D) 10.3
 
Answer & Explanation Answer: B) 2

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Q:

The maximum number of common tangents that can be drawn to two disjoint circles is

A) 1 B) 2
C) 4 D) Infinity many
 
Answer & Explanation Answer: C) 4

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Q:

Δ XYZ is right angled at Y. If m∠Z = 30°. What is the length of YZ (in cm), if ZX = 9 cm?

A) 6√3 B) 9√3/2
C) 3√3 D) 18
 
Answer & Explanation Answer: B) 9√3/2

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Filed Under: Volume and Surface Area
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Q:

Find the total surface area (in cm²) of a right circular cylinder of diameter 42 cm and height 14 cm

A) 4488 B) 4250
C) 4010 D) 4620
 
Answer & Explanation Answer: D) 4620

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Q:

The radius and height of a solid cylinder are increased by 2% each. What will be the approximate percentage increase in volume?

A) 6.76 B) 5.88
C) 6.12 D) 3.34
 
Answer & Explanation Answer: C) 6.12

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Q:

The ratio of curved surface area of a right circular cylinder to the total area of its two bases is 2 : 1. If the total surface area of cylinder is 23100 cm2, then what is the volume (in cm3) of cylinder?

A) 247200 B) 269500
C) 312500 D) 341800
 
Answer & Explanation Answer: B) 269500

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Q:

The ratio between Ram's age and Rahim's age is 10:11. What is the age of Rahim in percentage of Ram's age

A) 109111% B) 110%
C) 11119% D) 111%
 
Answer & Explanation Answer: B) 110%

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Q:

What percentage of 1 day is 18 minutes?

A) 7.5% B) 1.25%
C) 12.5% D) 1.8%
 
Answer & Explanation Answer: B) 1.25%

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Filed Under: Percentage
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