Quantitative Aptitude - Arithmetic Ability Questions

Q:

James present age is 2/7th of his fathers present age. James brother is three year older to Jame. The respective ratio between present ages of James father and James brother is 14:5. What is the present age of James?

A) 12 years B) 13 years
C) 14 years D) 15 years
 
Answer & Explanation Answer: A) 12 years

Explanation:

James father present age = x
James age = 2/7 x
James brother age = 2x/7 + 3
x = 42
=> 2x/7 = 12 yrs

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

4 3211
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

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Q:

7 hrs after a goods train passed a station, another train travelling at a speed of 54 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 11 hours. What is the speed of the goods train?

A) 39.6 km/hr B) 49.5 km/hr
C) 33 km/hr D) 26.4 km/hr
 
Answer & Explanation Answer: C) 33 km/hr

Explanation:
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Filed Under: Problems on Trains

3 3205
Q:

A student gets 22 marks more in French than what she got in German. Her German marks are 28% of the sum of her French and German marks. What are her French marks?

A) 14 B) 36
C) 18 D) 42
 
Answer & Explanation Answer: B) 36

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

7 3204
Q:

Shivam Industries installed a flour mill for Rs. 300,000 five years ago. If the fixed annual rate of depreciation is 5% and they sold the mill for Rs. 250,000 their gain/loss % is?

 

 

A) No gain - No loss B) Loss 10%
C) Gain 12.5% D) Gain 10%
 
Answer & Explanation Answer: D) Gain 10%

Explanation:

Given that mill worth originally =3ooooo

Depreciation for 1 yr =300000x5/100= Rs. 15000

Then, depreciation for 5yrs = Rs. 75000

Value after 5yrs = 300000 - 75000 = Rs. 225000

Given Selling Price of the mill = Rs. 250000

Sp > CP

Gain = 250000 - 225000 = Rs. 25000

Gain% = 25000/250000 x 100 = 10%.

 

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 3201
Q:

8 litres are drawn from a flask containing milk and then filledwith water. The operation is performed 3 more times. Theratio of the quantity of milk left and total solution is 81/625.How much milk the flask initially holds?

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

Explanation:

Let initial quantity be Q, and final quantity be F

F = Q(1 - 8/Q)4

=> Q = 20

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Filed Under: Alligation or Mixture

5 3200
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

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Filed Under: Time and Distance
Exam Prep: Bank Exams

9 3196
Q:

If A's wealth is 4/9 times of B's and C's is 7/6 times of B's, what is the ratio of C's wealth to A's?

A) (8:21) B) (21:8)
C) (27:14) D) (14:27)
 
Answer & Explanation Answer: B) (21:8)

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 3196