Quantitative Aptitude - Arithmetic Ability Questions

Q:

Each question contains Quantity I and Quantity II. Read the contents clearly and answer your questions accordingly.

Quantity I: Vipin can swim at 6 km/hr in still water. The river flows at 3 km/hr and it takes 8 hours more upstream then downstream for the same distance. How far is the place?

Quantity II: A man can row 25 km/hr in still water and the river is running at 15 km/hr. if the man takes 2 hr to row to a place and back, how far is the place?

A)  Quantity I > Quantity II B) Quantity I ≥ Quantity II
C) Quantity I < Quantity II D) Quantity I < Quantity II
 
Answer & Explanation Answer: A)  Quantity I > Quantity II

Explanation:

Quantity I: let d be the distance covered ATQ d/(6-3)-d/(6+3)=8 d=36km

Quantity II: ATQ d/(25-15)+d/(25+15)=2 D=16km

Hence Quantity I > Quantity II

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Filed Under: Time and Distance

0 2217
Q:

8 men can complete a work in 16 days. 16 women can complete the same work in 24 days. In how many days can 4 men and 8 women complete the same work?

A) B)
C) D)
 
Answer & Explanation Answer:

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

10 2217
Q:

A and B together can complete a task in 12 days. However, if A works alone, completes half the job and leaves and then B works alone and competes the rest of the work, it takes 25 days in all to complete the work. If B is more efficient than A, how many days would it have taken B to do the work by herself?

A) 18 B) 22
C) 20 D) 15
 
Answer & Explanation Answer: C) 20

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

2 2217
Q:

A can do a certain job in 12 days. B is 60% more efficient than A. Then B can do the same piece of work in

A) 8 days B) 7.5 days
C) 6.4 days D) 5.5 days
 
Answer & Explanation Answer: B) 7.5 days

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

3 2216
Q:

56/32 simplified value?

A) 1.705 B) 1.450
C) 1.75 D) 7.50
 
Answer & Explanation Answer: C) 1.75

Explanation:

56/32 can be reduced as

 

56/32

= 28/16

= 14/8

= 7/4

= 1 3/4

= 1.75

 

Hence, simplified value of 56/32 =  3/4 = 1.75.

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

5 2216
Q:

If x = 222, y = 223, z = 225 then the value of x3 + y3 + z3 - 3xyz is

A) 4590 B) 4690
C) 4950 D) 4960
 
Answer & Explanation Answer: B) 4690

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 2214
Q:

The population of a town increases by 5% in the first year, by 6% in the second year and by 8% in third year. The present population of town is 120204. What was the population of the town 3 years ago?

A) 102000 B) 100000
C) 98000 D) 101204
 
Answer & Explanation Answer: B) 100000

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

1 2214
Q:

If 35% of A's income is equal to 25% of B's income, then the ratio of A's income to B's income is

A) 7:5 B) 5:7
C) 4:7 D) 4:3
 
Answer & Explanation Answer: B) 5:7

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

2 2213