Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 5x - 17 = -x + 7, then x = ?

A) 4 B) 5
C) 7 D) 9
 
Answer & Explanation Answer: A) 4

Explanation:

Given equation  5x-17 = -x+7

Add 1x to each side of the equation

5x-17+x = -x+7+x

6x=24

x=4

 

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Filed Under: Logarithms
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Q:

Shivam Industries installed a flour mill for Rs. 300,000 five years ago. If the fixed annual rate of depreciation is 5% and they sold the mill for Rs. 250,000 their gain/loss % is?

 

 

A) No gain - No loss B) Loss 10%
C) Gain 12.5% D) Gain 10%
 
Answer & Explanation Answer: D) Gain 10%

Explanation:

Given that mill worth originally =3ooooo

Depreciation for 1 yr =300000x5/100= Rs. 15000

Then, depreciation for 5yrs = Rs. 75000

Value after 5yrs = 300000 - 75000 = Rs. 225000

Given Selling Price of the mill = Rs. 250000

Sp > CP

Gain = 250000 - 225000 = Rs. 25000

Gain% = 25000/250000 x 100 = 10%.

 

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 3352
Q:

If a stall sells a pizza at Rs 200 he makes 20% loss if he wants to make 10% profit then at what price (in Rs) should he sell?

A) 250 B) 300
C) 275 D) 325
 
Answer & Explanation Answer: C) 275

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 3349
Q:

Concept of Nehative Work

A tub can be filed in 20 minutes but there is a lekage in it which can empty the full tub in 60 minutes. In how many minutes it can be filled?

Answer

Filling efficiency = 5%        


Emptying efficiency = 1.66%  


Net efficiency = 5-1.66 = 3.33%


Therefore, Required time to fil the tub =100/3.33= 30 minutes

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Subject: Time and Work

2 3346
Q:

Which of the following pair of numbers is the solution of the equation 3x+2+ 3x= 10 ?

A) 0, 2   B) 0, -2
C) 1, -1 D) 1, 2
 
Answer & Explanation Answer: B) 0, -2

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the fourth proportional to 336, 288 and 161?

A) 184 B) 115
C) 138 D) 134
 
Answer & Explanation Answer: C) 138

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What day would it be on 15th March 2020?

A) Saturday B) Sunday
C) Tuesday D) Monday
 
Answer & Explanation Answer: B) Sunday

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

29 3342
Q:

Manu invested an amount of Rs. 14800 at the rate of 7% per annum. After how many years will she obtain a simple interest of Rs.15800?

A) 16.75 yrs B) 15.25 yrs
C) 14 yrs D) 13.5 yrs
 
Answer & Explanation Answer: B) 15.25 yrs

Explanation:

We know that,

I = PTR/100

ATQ,

15800 = 14800 x T x 6/100

T = 15800/148x7

T = 15800/1036

T = 15.25 yrs.

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Filed Under: Simple Interest
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10 3340