Quantitative Aptitude - Arithmetic Ability Questions

Q:

Cost price of a calculator is Rs 495. If the profit percentage is 40%, then what is the value (in Rs) of profit?

A) 226 B) 198
C) 186 D) 218
 
Answer & Explanation Answer: B) 198

Explanation:
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Filed Under: Profit and Loss
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Q:

If 3x= 4y= 12, then z is equal to

A) xy B) x + y
C) xy/x+Y D) 4x +3y
 
Answer & Explanation Answer: C) xy/x+Y

Explanation:
Taking log of all 3 we get
xln3 = yln4 =
zln12 = k
z = k/ln12 = k / ln(
3*4) = k/ln3 + ln4 = k / (k/x +k/y) = xy / (x+y)
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Filed Under: Simplification
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Q:

If compound interest received on a certain amount in the 3rd year is Rs. 12,100, what will be the compound interest (in Rs) for the 4th year on the same amount if rate of interest is 9%?

A) 17080 B) 15669
C) 13189 D) 14376
 
Answer & Explanation Answer: C) 13189

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

The bar chart given shows the sales of 3 types of cars in the Indian automotive industry over 4 years. All the sales figures have been shown in terms of 000 units.

What is the simple annual growth rate (in %) in the sales of SUV from 2009 to 2012?

A) 90 B) 100
C) 133.33 D) 150
 
Answer & Explanation Answer: C) 133.33

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The simple interest on Rs. 2000 for 2 years at Rs. 75 per thousand per annum will be

A)  Rs.150 B)  Rs.300
C)  Rs.600 D) Rs.400
 
Answer & Explanation Answer: B)  Rs.300

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Filed Under: Simple Interest
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Q:

For an amount, simple interest at the rate of interest of 12% per annum for 6 years is Rs 25920. What will be the compound interest (in Rs) on same amount at the rate of interest of 8% per annum compounding annually for 2 years?

A) 4326.3 B) 5563.4
C) 5888.6 D) 5990.4
 
Answer & Explanation Answer: D) 5990.4

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Filed Under: Simple Interest
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Q:

Average of two numbers is 8 and average of other three numbers is 3 ; the average of the five numbers is

A) 2 B) 3
C) 5 D) 6
 
Answer & Explanation Answer: C) 5

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Filed Under: Average
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Q:

A loan of Rs. 305 was taken at a certain rate per annum of compound interest, for 3 years. After 3 years the amount repaid was Rs. 670, calculate the rate of compound interest.

A) 30% B) 35%
C) 33% D) 25%
 
Answer & Explanation Answer: A) 30%

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Filed Under: Compound Interest
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