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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The ages of Krish and Vaibhav are in the proportion of 3 : 5. After 9 years, the proportion of their ages will be 3 : 4. Then the current age of Vaibhav is:

A) 10 B) 13
C) 15 D) 18
 
Answer & Explanation Answer: C) 15

Explanation:

Krish’s age = 3A and Vaibhav’s age = 5A


(3A+9)/(5A+9) = 3/4


=> 4 (3A + 9) = 3 (5A + 9)


=> A = 3


Therefore, Vaibhav’s age = 15 years.

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Filed Under: Problems on Ages

45 24149
Q:

The present worth of Rs.169 due in 2 years at 4% per annum compound interest is

A) Rs.156.25 B) Rs.150
C) Rs.140 D) Rs125.25
 
Answer & Explanation Answer: A) Rs.156.25

Explanation:

 

Present Worth

 

=P1+R1002

 

=1691+41002

 

= Rs.156.25

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

30 24143
Q:

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

 

 

 

A) Cup – Tea B) Jug – Water
C) Bowl – Curd D) Pen – Butter
 
Answer & Explanation Answer: D) Pen – Butter

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

0 24132
Q:

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

 

A) Kharif – Maize B) Rabi – Mustard
C) Barley – Rabi D) Kharif – Soybean
 
Answer & Explanation Answer: C) Barley – Rabi

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

0 24085
Q:

Select the figure which does NOT belong to the group.

 

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

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

0 24085
Q:

If the sum of the interior angles of a regular polygon is 720° then how many sides does it have?

 

A) 8 B) 9
C) 6 D) 10
 
Answer & Explanation Answer: C) 6

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

0 24051
Q:

The sum of the number of boys and girls in a school is 150. if the number of boys is x, then the number of girls becomes x% of the total number of students. The number of boys is : 

A) 60 B) 70
C) 80 D) 90
 
Answer & Explanation Answer: A) 60

Explanation:

We have : x + (x% of 150 )= 150 

=> x+(x/100)*150] = 150

=> 52x = 150  

=> x = (150*2)/5 = 60

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Filed Under: Percentage

43 24046
Q:

A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:

A) 29/5 B) 37/4
C) 42 D) 54
 
Answer & Explanation Answer: C) 42

Explanation:

After 10 days : 150 men had food for 35 days.

 

 

 

Suppose 125 men had food for x days.

 

 

 

Now, Less men, More days (Indirect Proportion)

 

 

 

 125 : 150 :: 35 : x    =>    125 x x = 150 x 35

 

 

 

 =>

 

 

 

=> x = 42.

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Filed Under: Quantitative Aptitude - Arithmetic Ability

38 24022