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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The ratio of the monthly salaries of A and B is in the ratio 5 : 16 and that of B and C is in the ratio 17 : 18. Find the monthly income of C if the total of their monthly salary is Rs. 1,87,450.

A) Rs. 66,240 B) Rs. 72,100
C) Rs. 62,200 D) Rs. 65,840
 
Answer & Explanation Answer: A) Rs. 66,240

Explanation:

So A : B : C = 1 5 × 1 7 : 1 6 × 17 : 16 × 18 = 255 : 272 : 288

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 3135
Q:

A woman invests Rs. 2000 at the start of each year at 5% C.I. per annum. How much will her investments be at the end of the 2nd year?

A) Rs. 4305 B) Rs. 430
C) Rs. 4355 D) Rs. 4350
 
Answer & Explanation Answer: A) Rs. 4305

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

14 3134
Q:

A and B do (3/5) th part of a work and the rest of the work is completed by C. If A, B and C take the same work for Rs 5000, then what is the share of C (in Rs)?

A) 3000 B) 2500
C) 2000 D) 1500
 
Answer & Explanation Answer: C) 2000

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

2 3129
Q:

Two cars start from a house at an interval of 10 min and travel at a speed of 20 kmph. With how much speed should a woman coming from the opposite direction towards the house travel, to meet the cars at an interval of 8 min?

A) 5 B) 6
C) 7 D) 4
 
Answer & Explanation Answer: A) 5

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

9 3125
Q:

In the given figure, ∡QRU = 72°, ∡TRS = 15°, ∡PSR = 95° , then what is the value (in deg) of ∡PQR?

A) 85 B) 95
C) 75 D) 90
 
Answer & Explanation Answer: B) 95

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

0 3119
Q:

Giving two successive discounts of 25% is equal to giving one discount of ________%.

A) 43.75 B) 56.25
C) 50 D) 45
 
Answer & Explanation Answer: A) 43.75

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

2 3117
Q:

Find the probability that one ball is white when two balls are drawn at random from a basket that contains 9 red, 7 white and 4 black balls.

A) 18/95 B) 18/190
C) 1/2 D) 91/190
 
Answer & Explanation Answer: D) 91/190

Explanation:

Total number of elementary events = 20C2 ways =190

 

There are 7 white balls out of which one white can be drawn in 7C1 ways and one ball from remaining 13 balls can be drawn in 13C1 ways.

 

So,favourable events = 7C1*13C1

 

Therfore,required probability = (7C1*13C1)/20C2=91/90

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Filed Under: Probability

2 3115
Q:

Savita sold an item for 6,500 and incurred a loss of 20%. At what price should she have sold the item to have gained a profit of 20%?

A) 10,375 B) 9,750
C) 8,125 D) Cannot be determined
 
Answer & Explanation Answer: B) 9,750

Explanation:

C.P of article = 6500 * (100/80) = Rs. 8125 S.P for a gain of 20% = (8125*120)/100 = Rs. 9750

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Filed Under: Profit and Loss

3 3113