Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the expression px3  2x2  qx + 18 is completely divisible by (x2  9), then what is the ratio between p and q respectively?

A) 1:9 B) 1:3
C) 3:1 D) 9:1
 
Answer & Explanation Answer: A) 1:9

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 1915
Q:

Reduce 3596 / 4292 to lowest terms.

A) 29/37 B) 17/43
C) 31/37 D) 19/23
 
Answer & Explanation Answer: C) 31/37

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1915
Q:

If x3+ 2x2 5x + k is divisible by x + 1, then what is the value of k?

A) -6 B) -1
C) 0 D) 6
 
Answer & Explanation Answer: A) -6

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1914
Q:

x and y are two numbers such that their mean proportion is 9 and third proportion is 243. What is the value of x and y?

A) 3 and 9 B) 3 and 27
C) 6 and 27 D) 6 and 81
 
Answer & Explanation Answer: B) 3 and 27

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 1914
Q:

What is the fourth proportional to 72, 168 and 150?

A) 450 B) 300
C) 350 D) 400
 
Answer & Explanation Answer: C) 350

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 1914
Q:

Both S.I. and C.I. is calculated with a similar rate of 10% per annum on a sum of rupees. If C.I. is calculated yearly for two years, then for what period must S.I. be evaluated such that S.I. = C.I.?

A) 4.2 years B) 2.1 years
C) 1.1 years D) 1.4 years
 
Answer & Explanation Answer: B) 2.1 years

Explanation:

Let time period of S.I. be T years.

Then for a principal amount, say P,

ATQ, as, S.I. = C.I. for rate =10%p.a. and

time for C.I. = 2(P x 10 x T)/100 = P{[ (100+10)/100 ]2-1}T/10 = [ 110/100 ]2–1 = [(11/10)2–1] = (121-100)/100T/10 = 21/100T = 21/10 = 2.1 years

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Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO , Bank Clerk

1 1914
Q:

Makarand works 2 times as fast as Samarjit. If Samarjit can complete a job alone in 27 days, then in how many days can they together finish the job?

A) 6 days B) 7 days
C) 5 days D) 9 days
 
Answer & Explanation Answer: D) 9 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

0 1913
Q:

A vendor buys some bananas at the rate of 2 for Re 1 and sells at the rate of 10 for Rs 7. What will be the result?

A) 40 percent loss B) 28.57 percent gain
C) 40 percent gain D) 28.5 percent loss
 
Answer & Explanation Answer: C) 40 percent gain

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 1913