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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and AE are 8 cm, 4 cm and 12 cm respectively, what is the length of AC?

A) 6 cm B) 18 cm
C) 9 cm D) 15 cm
 
Answer & Explanation Answer: B) 18 cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Pradeep has done 1/4th of a job in 14 days, Saquib completes the rest of the job in 56 days. In how many days can they together complete the job?

A) 64 days B) 32 days
C) 16 days D) 8 days
 
Answer & Explanation Answer: B) 32 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Amar is 2 times as good a workman as Badal and therefore is able to finish a job in 15 days less than Badal. In how many days can they together complete the job?

A) 30 days B) 40 days
C) 10 days D) 20 days
 
Answer & Explanation Answer: C) 10 days

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Q:

First four multiples of 9?

Answer

A multiple of a number is the number multiplied by an integer.


The first four multiples of 9 are given by multiying the first 4 integers with number 9.


That is,


9 x 1 = 9


9 x 2 = 18


9 x 3 = 27


9 x 4 = 36


 


Hence, first four multiples of 9 are 9, 18, 27, 36.

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Subject: Numbers Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

If a = 1/a-5, then the value of a + 1/a = ?

A) √29 B) √-29
C) - √29 D) √27
 
Answer & Explanation Answer: A) √29

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Filed Under: Simplification
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Q:

90% of X = 40% of Y and Y = a% of X. What is the value of a?

A) 225 B) 125
C) 2.25 D) 1.25
 
Answer & Explanation Answer: A) 225

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 35% are the passing marks. A student gets 200 marks yet fails by 24 marks. What is the maximum marks?

A) 820 B) 550
C) 640 D) 680
 
Answer & Explanation Answer: C) 640

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If (1/x) + (1/y) + (1/z) = 0 and x + y + z = 9, then what is the value of x3 + y3 + z3 – 3xyz?

A) 81 B) 361
C) 729 D) 6561
 
Answer & Explanation Answer: C) 729

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Filed Under: Simplification
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