Meenal purchased a car for Rs. 2,50,000 and sold it for Rs. 3,48,000. What is the percent profit she made on the car ?

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Meenal purchased a car for Rs. 2,50,000 and sold it for Rs. 3,48,000. What is the percent profit she made on the car ?

A40

B39.2

C38.4

D38

nithin ? Jul 31 '2022 at 21:29

Correct answer is: 39.2

Explanation:

\(\text{ Gain per cent} = \frac{348000-250000}{250000} \times 100 \text{= 39.2%}\)

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The average age of 80 boys in a class is 15 years. The average age of a group of 15 boys in the class is 16 years and the average age of another 25 boys in the class is 14 years.What is the average age of the remaining boys in the class ?

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The average age of 80 boys in a class is 15 years. The average age of a group of 15 boys in the class is 16 years and the average age of another 25 boys in the class is 14 years.What is the average age of the remaining boys in the class ?

A15.25 years

B14 years

C14.75 years

DCannot be determined

Akilesh Kharvi ? May 20 '2017 at 12:31

Answer is : 15.25 years

Explanation:

Let the required average age be x years.

\(80 × 15 = 15 × 16 + 25 × 14 + 40 × x\)

\(=> 40x =1200 - 240 - 350 = 610\)

\(x = \frac{610}{40}\)

= 15.25 years

 

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