Aptitude and Reasoning Questions

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

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Q:

[15% of 300% of 560] × 2 ÷ 5 =

A) 100 B) 90
C) 85 D) 105
 
Answer & Explanation Answer: A) 100

Explanation:

[15% of 300% of 560] × 2 ÷ 5

= (15 x 300 x 560 x 2)/100 x 100 x 5

~= 100 

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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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

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Q:

A and B can together do a piece of work in 10 days. If A works with twice of his efficiency and B works with an efficiency 1/3rd less than his efficiency, then the work gets completed in 6 days. In how many days can A and B do the work alone respectively?

A) 40/3, 40 B) 20/3, 20
C) 30, 20/3 D) 50/3, 25
 
Answer & Explanation Answer: A) 40/3, 40

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

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Q:

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

A) Badminton B) Table Tennis
C) Cricket D) Hockey
 
Answer & Explanation Answer: A) Badminton

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

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Q:

If a/(a+b) = 15/21, what is (a+b)/(a-b) is equal to?

A) 13/9 B) 23/11
C) 14/5 D) 21/9
 
Answer & Explanation Answer: D) 21/9

Explanation:

a/(a + b) = 15/21 → a = 15, a + b = 21

→ b = 21– 15 = 6
⇒ a – b =15 – 6 = 9
⇒ (a + b)/(a – b) = 21/9

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Q:

In the following question, two equations numbered 1 and 2 are given. You have to solve both the equations and determine the relation between a and b.

1.  5a2-18a+9=0

2.  3b2+5b-2=0

A) a >= b B) a <= b
C) a < b D) a > b
 
Answer & Explanation Answer: D) a > b

Explanation:

From solving 1 and 2 we get,

 

1.

5a(a-3)-3(a-3) = 0

 

(5a-3)(a-3) = 0

 

a = 3 or 3/5

 

2. 

 

3b(b+2)-1(b+2) = 0

 

b = -2 or b = 1/3

 

Here when a = 3, a > b for b = -2 and b = 1/3

 

when a = 3/5. a > b for b = -2 and b = 1/3.

 

Hence, it is clear that a > b. 

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Filed Under: Statement and Conclusions
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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Q:

40% are the passing marks. A student gets 250 marks yet fails by 38 marks. What is the maximum marks?

A) 720 B) 750
C) 800 D) 840
 
Answer & Explanation Answer: A) 720

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

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