Question

Vinod sells a book for 318, making a profit equal to one-sixth of the cost price. Find the profit per cent.
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Answer 1

Answer:

Let Cost Price be x

Profit = 1/6 of Cost price (CP)

Selling Price = 318

Step-by-step explanation:

According to question :

CP + Profit = Selling Price

x + 1/6 × x = 318

Taking LCM on Left hand side

(6x + x)/6 = 318

7x/6 = 318

7x = 318 × 6

7x = 1908

X = 1908/7

x = Rs 272.60

Cost price = Rs 272.60 = Rs 273

Profit = Rs 318 - 273

= Rs 45

Profit percentage = profit / CP × 100

= 45/273 × 100

= 16%

Good luck