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Veer earned a profit of Rs. 640 by selling some Books at the rate of Rs. 5 per book and incurred a loss of Rs. 320 if he sells same number of Book at the rate of Rs. 2 per book. How many books did Veer have? 
  • a)
    320 
  • b)
    640 
  • c)
    240 
  • d)
    Can’t determine 
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Veer earned a profit of Rs. 640 by selling some Books at the rate of R...
Let no. of books Veer had = n
Then total selling price of books selling at Rs 5 per book = 5n
And total selling price of books selling at Rs 2 per book = 2n
Cost price = 5n – 640 = 2n + 320
3n = 960
n = 320
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Veer earned a profit of Rs. 640 by selling some Books at the rate of Rs. 5 per book and incurred a loss of Rs. 320 if he sells same number of Book at the rate of Rs. 2 per book. How many books did Veer have?a)320b)640c)240d)Can’t determineCorrect answer is option 'A'. Can you explain this answer?
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