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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Simplify: (213 x 213 + 187 x 187)

A) 80338 B) 80438
C) 60338 D) 60438
 
Answer & Explanation Answer: A) 80338

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Filed Under: Simplification

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Q:

A box contains 5 green, 4 yellow and 3 white marbles. Threemarbles are drawn at random. What is the probability thatthey are not of the same colour ?

A) 40/44 B) 44/41
C) 41/44 D) 40/39
 
Answer & Explanation Answer: C) 41/44

Explanation:

n(E) = 5C3 + 4C3 + 3C3 = 10 + 4 + 1 = 15n(S) = 12C3 = 220

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Filed Under: Permutations and Combinations
Exam Prep: Bank Exams

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Q:

Selling price of a glass is Rs 1965 and loss percentage is 25%. If selling price is Rs 3013, then what will be the profit percentage?

A) 13 B) 10.4
C) 15 D) 20
 
Answer & Explanation Answer: C) 15

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Anil is twice as good as workman as Bimal and together they finish a piece of work in 9 days. In how many days will Anil alone finish the work?

A) 12.5 B) 11.5
C) 10.5 D) 13.5
 
Answer & Explanation Answer: D) 13.5

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A train, 200 m long, is running at a speed of 54 km/hr. The time in seconds that will be taken by train to cross a 175 m long bridge is

A) 12.5 B) 20
C) 25 D) 10
 
Answer & Explanation Answer: C) 25

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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Q:

Kishlay travelled equal distances at speeds of 10 kmph, 30kmph and 2 kmph and took a total time of 38 min. Find the total distance in kms.

A) 2 B) 3
C) 1 D) 4
 
Answer & Explanation Answer: B) 3

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Filed Under: Partnership
Exam Prep: Bank Exams

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Q:

The point of intersection of all the three medians of a triangle is called its

A) orthocentre B) incentre
C) centroid D) circumcentre
 
Answer & Explanation Answer: C) centroid

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

∆ABC is right angled at B. If m∠A = 30°., then Sec C =?

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

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