Aptitude and Reasoning Questions

Q:

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

A) 20 B) 50
C) 25 D) 30
 
Answer & Explanation Answer: D) 30

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Find the missing number from the given alternatives.

A) 75 B) 45
C) 20 D) 30
 
Answer & Explanation Answer: D) 30

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel. 
What is the area of triangle ADC?

A) 126 SQ.CM B) 124 SQ.CM
C) 122 SQ.CM   D) 120 SQ.CM
 
Answer & Explanation Answer: A) 126 SQ.CM

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

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Q:

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

A) 289 B) 361.5
C) 481.25 D) 962.5
 
Answer & Explanation Answer: C) 481.25

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Q:

If r sinθ=3 and r cosθ=1, then the values of r and θ are: (0°θ90°)

A) r=1, θ=30° B) r=1⁄2, θ=30°
C) r=3 , θ=30° D) r=2, θ=60°
 
Answer & Explanation Answer: D) r=2, θ=60°

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Q:

ΔXYZ is right angled at Y. If m∠X = 30 deg, then find the value of (sinZ + √3).

A) 4/√3 B) 5/√3
C) 4/3 D) 3√3/2
 
Answer & Explanation Answer: D) 3√3/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If curved surface area of a cylinder is 616 sq cm and height is 14 cm, find its radius?

A) 14 cm B) 7 cm
C) 21 cm D) 3.5 cm
 
Answer & Explanation Answer: B) 7 cm

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

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Q:

A factory buys 10 machines. 2 Machine­A, 3 Machine­B and rest Machine­C. Prices of the machines are Rs 95000, Rs 60000 and Rs 50000 respectively. What is the average cost of these machines?

A) 62000 B) 68333
C) 74666 D) 60500
 
Answer & Explanation Answer: A) 62000

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Filed Under: Average
Exam Prep: AIEEE , Bank Exams

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