Quantitative Aptitude - Arithmetic Ability Questions

Q:

Which of the following quadratic equations has real roots?

A) 4x2 - 7x + 5 = 0 B) 5x2 - 11x + 7 = 0
C) 5x2 - 11x + 8 = 0 D) 2x2 - 7x + 5 = 0
 
Answer & Explanation Answer: D) 2x2 - 7x + 5 = 0

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Q:

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

A) 2:2 B) 3:2
C) 3.5:2 D) 7:2
 
Answer & Explanation Answer: C) 3.5:2

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Q:

Breadth of a rectangle is equal to the diagonal of the square whose side is 2.5√2 cm. Ratio between length and breadth of rectangle is 3 : 1. Find the area of the rectangle (in cm2).

A) 75 B) 90
C) 85 D) 80
 
Answer & Explanation Answer: A) 75

Explanation:

Diagonal of Square = Side √2= 2.5√2 × √2= 5 cm
Breadth = 5 cm
Length of rectangle = 5 × 3 = 15 cm
Area of rectangle = 15 × 5 = 75 cm2

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Q:

Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?

A) 40 B) 60
C) 80 D) 50
 
Answer & Explanation Answer: B) 60

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams

6 1403
Q:

What will be the sum of the measures all the interior angles of a polygon having 14 sides?

A) 2520° B) 2160°
C) 2880° D) 3240°
 
Answer & Explanation Answer: B) 2160°

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

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Q:

Find the odd word/letters/number pair from the given alternatives

A) 36-­72 B) 17­-34
C) 28­-49 D) 24­-48
 
Answer & Explanation Answer: C) 28­-49

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 18% per annum is Rs 81. The sum is ____.

A) Rs 2500 B) Rs 5000
C) Rs 10000 D) Rs 7500
 
Answer & Explanation Answer: A) Rs 2500

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Filed Under: Compound Interest
Exam Prep: Bank Exams

6 1402
Q:

The total surface area of a hemisphere is 166.32 sq cm, find its radius?

A) 4.2 cm B) 8.4 cm
C) 1.4 cm D) 2.1 cm
 
Answer & Explanation Answer: A) 4.2 cm

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

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