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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A trader sold an article at a loss of 5% but when he increased the selling price by Rs.65 he gained 3.33% on the cost price. If he sells the same article at Rs. 936, what is the profit percentage?

A) 15% B) 16.66%
C) 20% D) data insufficient
 
Answer & Explanation Answer: C) 20%

Explanation:

103.33 CP- 0.95 CP = 65

 

 CP = Rs. 780 

 

profit (%) = (936 - 780)/780  x 100 = 20%

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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

126 42109
Q:

If the simple interest on a sum of money at 5% per annum for 3 years is Rs. 1200, find the compound interest on the same sum for the same period at the same rate.

A) 1261 B) 1271
C) 1281 D) 1291
 
Answer & Explanation Answer: A) 1261

Explanation:

Clearly, Rate = 5% p.a., Time = 3 years, S.I.= Rs. 1200. . .
So principal=RS [100*1200]/3*5=RS 8000
Amount = Rs. 8000 x [1 +5/100]^3 - = Rs. 9261.
.. C.I. = Rs. (9261 - 8000) = Rs. 1261.

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

89 42045
Q:

The average age of a husband and his wife was 23 years at the time of their marriage. After  five years they have a one-year old child. The average age of the family now is : 

A) 25 B) 23
C) 19 D) 18
 
Answer & Explanation Answer: C) 19

Explanation:

Sum of the present ages of husband, wife and child = (23 * 2 + 5 * 2) + 1 = 57 years.

Required average = (57/3) = 19 years.

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Filed Under: Average

82 42025
Q:

In the following question, select the odd word pair from the given alternatives.

 

A) Oxygen – Gas B) Metal – Platinum
C) Liquid – Water D) Solid – Iron
 
Answer & Explanation Answer: A) Oxygen – Gas

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 42011
Q:

Select the odd figure out of the following figure series?

 

A) d B) b
C) c D) a
 
Answer & Explanation Answer: A) d

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 41967
Q:

The area of a square is 60.5 cm². Find the length of its diagonal (in cm).

 

A) 5.5 B) 22
C) 11 D) 16.5
 
Answer & Explanation Answer: C) 11

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

0 41907
Q:

In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C

A) 18 m B) 20 m
C) 27 m D) 9m
 
Answer & Explanation Answer: B) 20 m

Explanation:

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Filed Under: Races and Games

35 41821
Q:

Simple interest on a certain sum is 16/25 of the sum. Find the rate percent and time, If both are numerically equal.

A) Rate = 7% and Time = 7 years. B) Rate = 8% and Time = 8 years.
C) Rate = 6% and Time = 6 years. D) Rate = 5% and Time = 5 years.
 
Answer & Explanation Answer: B) Rate = 8% and Time = 8 years.

Explanation:

Let sum = X. Then S.I = 16x/25

 

Let rate = R% and Time = R years.

 

Therefore,  (x * R * R)/100 = 16x/25   =>  R = 40/5 = 8

 

Therefore, Rate = 8% and Time = 8 years.

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Filed Under: Simple Interest
Exam Prep: GRE

112 41744