Quantitative Aptitude - Arithmetic Ability Questions

Q:

A started a business with the capital of Rs 1800. After 4 months B joined with Rs 3600. 6 months after the business started C joined with Rs 1200.If the total profit earned at the end of the year is Rs 1760, then what is the share (in Rs) of A?

A) 540 B) 660
C) 840 D) 720
 
Answer & Explanation Answer: B) 660

Explanation:
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Filed Under: Partnership
Exam Prep: Bank Exams

3 2123
Q:

If a person repaid Rs. 22500 after 10 years of borrowing a loan, at 10% per annum simple interest find out what amount did he take as a loan?

A) 11,225 B) 11,250
C) 10,000 D) 7,500
 
Answer & Explanation Answer: B) 11,250

Explanation:

SI = PTR/100

SI = PX100/100

SI = P

So, Amount=P+SI=2P→22500 = 2P→P = 11250

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Filed Under: Simple Interest
Exam Prep: Bank Exams

3 2120
Q:

Train A takes 45 minutes more than train B to travel a distance of 450 km. Due to engine trouble speed of train B falls by a quarter, so it takes 30 minutes more than Train A to complete the same journey. What is the speed of Train A (in km/hr)?

A) 90 B) 120
C) 100 D) 110
 
Answer & Explanation Answer: C) 100

Explanation:
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Filed Under: Problems on Trains
Exam Prep: Bank Exams

6 2120
Q:

A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?

A) 24 B) 9
C) 21 D) 18
 
Answer & Explanation Answer: D) 18

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

17 2119
Q:

In a mixture of 35 litres, the ratio of milk and water is 4:1. If 7 litres of water is added to the mixture, the ratio of milk and water of the new mixture will be

A) 2:1 B) 1:2
C) 4:5 D) 5:4
 
Answer & Explanation Answer: A) 2:1

Explanation:

Ratio of milk andwater = 4:1

Quantity of water = 35/5 = 7 litres

Quantity of milk = 35 X 4/5 = 28 litres

If 7 litre of water is added, new quantity of water = 14 litre

New ratio of milk and water = 28:14 = 2:1

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Filed Under: Alligation or Mixture

3 2119
Q:

$32000 is invested at 10% for 2 years.Find the interest compounded Yearly

A) 4720 B) 5720
C) 6720 D) 7720
 
Answer & Explanation Answer: C) 6720

Explanation:

M=P(1+i)^n

 

I=M-P

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0 2118
Q:

In how many different ways the letters of the word 'TRANSFORMER' can be arranged such that 'N' and 'S' always come together?

A) 112420 B) 85120
C) 40320 D) 1209600
 
Answer & Explanation Answer: D) 1209600

Explanation:

Given word is TRANSFORMER.

Number of letters in the given word = 11 (3 R's)

 

Required, number of ways the letters of the word 'TRANSFORMER' can be arranged such that 'N' and 'S' always come together is

10! x 2!/3!

= 3628800 x 2/6

= 1209600

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7 2113
Q:

A tower is broken at a point P above the ground. The top of the tower makes an angle 60° with the ground at Q. From another point R on the opposite sideof Q angle of elevation of point P is 30°. If QR = 180 m, then what is the total height (in metres) of the tower?

 

A) 90 B) 45√3
C) 45(√3+1) D) 45(√3+2)
 
Answer & Explanation Answer: D) 45(√3+2)

Explanation:
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Filed Under: Height and Distance
Exam Prep: Bank Exams

7 2108