Quantitative Aptitude - Arithmetic Ability Questions

Q:

If  cos2θ-sinθ = 1/4, then what is the value of sin θ?

A) -1 B) 1/2
C) 1 D) 3/2
 
Answer & Explanation Answer: B) 1/2

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Q:

A solid cube is cut into 27 identical cubes. What is the percentage increase in the total surface area?

A) 150 B) 200
C) 300 D) 250
 
Answer & Explanation Answer: B) 200

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

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Q:

If the perimeter of a semi-circle is 36 cm, then find its radius (in cm).

A) 7 B) 14
C) 13 D) 26
 
Answer & Explanation Answer: A) 7

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

What is the third proportional to 10 and 25?

A) 125 B) 150
C) 62.5 D) 225
 
Answer & Explanation Answer: C) 62.5

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

Select the odd letters from the given alternatives.

A) USQ B) OMK
C) IGE D) VUT
 
Answer & Explanation Answer: D) VUT

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

A) 90 B) 98
C) 94 D) 86
 
Answer & Explanation Answer: A) 90

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If a cone is divided into two parts by drawing a plane through the midpoints of its axis, then the ratio of the volume of the 2 parts of the cone is

A) 1 : 2 B) 1 : 4
C) 1 : 7 D) 1 : 8
 
Answer & Explanation Answer: C) 1 : 7

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

A bank offers 20% compound interest per half year. A customer deposits Rs 6000 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

A) Rs 7680 B) Rs 3840
C) Rs 1920 D) Rs 960
 
Answer & Explanation Answer: B) Rs 3840

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Filed Under: Compound Interest
Exam Prep: AIEEE , Bank Exams

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