Quantitative Aptitude - Arithmetic Ability Questions

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

0 1999
Q:

A bank offers 5% compound interest per half year. A customer deposits Rs. 3200 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:

A) Rs 976 B) Rs 244
C) Rs 488 D) Rs 122
 
Answer & Explanation Answer: C) Rs 488

Explanation:
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Filed Under: Compound Interest
Exam Prep: Bank Exams

4 1999
Q:

A T.V was sold at a profit of 5% If it had been sold at a profit of 10% , the profit would have been Rs. 1000 more. What is its cost price ?

A) Rs.20000 B) Rs.5000
C) Rs.10000 D) Rs.15000
 
Answer & Explanation Answer: A) Rs.20000

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 1999
Q:

Common factor of 24b6c8d2, 18a6c2d4, 12a4b4 is

A) 72a2b2c2d2 B) 72a6b6c8d4
C) 6a2b2 D) 6
 
Answer & Explanation Answer: B) 72a6b6c8d4

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

2 1998
Q:

What is the value of Sin 60° + (1/2)Cosec 45°?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1998
Q:

In an ornament the ratio of gold and copper is 3:2. The percentage of gold in the ornament is:

A) 60 B) 40
C) 30 D) 20
 
Answer & Explanation Answer: A) 60

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

2 1998
Q:

Calculate the area (in cm2 ) of a circle of radius 10.5 cm.

A) 693 B) 157.5
C) 315 D) 346.5
 
Answer & Explanation Answer: D) 346.5

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Filed Under: Area
Exam Prep: Bank Exams

3 1998
Q:

If A, B and C can do a job working alone in 12, 18 and 36 days respectively. They all work together for 2 day, then B quits. How many days will A and C take to finish rest of the job?

A) 9 B) 6
C) 3 D) 4
 
Answer & Explanation Answer: B) 6

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

4 1998