Quantitative Aptitude - Arithmetic Ability Questions

Q:

Three toys are in a shape of cylinder, hemisphere and cone. The three toys have same base. Height of each toy is 2√2 cm. What is the ratio of the total surface areas of cylinder, hemisphere and cone respectively?

A) 4 : 3 : [(√2) + 1] B) 4 : 3 : [2 + (√2)]
C) 4 : 3 : 2√2 D) 2 : 1 : (1 + √2)
 
Answer & Explanation Answer: A) 4 : 3 : [(√2) + 1]

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

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Q:

A man covers a total distance of 100 km on bicycle. For the first 2 hours, the speed was 20 km/hr and for the rest of the journey, it came down to 10 km/hr. The average speed will be

A) 12.5 km/hr B) 13 km/hr
C) 15.5 km/hr D) 20 km/hr
 
Answer & Explanation Answer: A) 12.5 km/hr

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

In the following questions two equations numbered I and II are given. You have to solve boththe equations and give answers

I. 2x ² –21x + 54 = 0

II. y ² –14y + 49 = 0

A) x = y or relation can’t be established between x and y B) x > y
C) x < y D) x ≥ y
 
Answer & Explanation Answer: C) x < y

Explanation:

I. 2x ² –21x + 54 = 0(x -6)(2x -9)x =+6, +9/2

II. y ² –14y + 49 = 0(y-7) (y-7)y = +7, +7y > x

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If a + b = 8 and ab = 15, then what is the value of a3 + b3?

A) 98 B) 152
C) 124 D) 260
 
Answer & Explanation Answer: B) 152

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of 34+122 ?

A) 13 B) 15
C) 17 D) 19
 
Answer & Explanation Answer: B) 15

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Filed Under: Simplification
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Q:

What is the value of √2 Sec 45 - Tan 30?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

2*[­0.3(1.3 + 3.7)] of 0.8 = ?

A) ­1.92 B) -0.72
C) 2.16 D) -­2.4
 
Answer & Explanation Answer: D) -­2.4

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The compound interest earned in two years at 12% per annum is Rs 10176. What is the sum (in Rs) invested?

A) 50000 B) 60000
C) 40000 D) 80000
 
Answer & Explanation Answer: C) 40000

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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