Question

Reynolds Superink pens are bought at the rate of 8 for 100. To make a profit of 60 per cent, these must be sold at
(a) 5 for rs 100
(b) 6 for rs 100
(c) 9 for rs 200
(d) None of these
​

Answer 1

Answer:

a

Step-by-step explanation:

60% of 100 is 60 so total price with profit is 160 .

so for one pen price is 20

for 5 pen price is 100

Answer 2

To make a profit of 60 per cent, pens must be sold at 5 for Rs. 100

Given :

Reynolds Superink pens are bought at the rate of 8 for Rs. 100

To find :

To make a profit of 60 per cent, these must be sold at

(a) 5 for Rs. 100

(b) 6 for Rs. 100

(c) 9 for Rs. 200

(d) None of these

Solution :

Step 1 of 3 :

Calculate profit amount per pen

Here it is given that Reynolds Superink pens are bought at the rate of 8 for Rs. 100

∴ Cost price per pen = Rs. 100/8 = Rs. 12.5

Now pens are sold at a profit of 60%

∴ Profit amount per pen

$\displaystyle \sf = Rs. \: 12.5 \times \frac{60}{100}$

$\displaystyle \sf = Rs. \: 7.5$

Step 2 of 3 :

Calculate selling price of each pen

The selling price of each pen

= Cost price of each pen + Profit amount per pen

= Rs. 12.5 + Rs. 7.5

= Rs. 20

Step 3 of 3 :

Choose the correct option

(a) 5 for Rs. 100 means selling price of each pen is Rs. 20

So option (a) is correct

(b) 6 for Rs. 100 means selling price of each pen is Rs. 16.67 (approx)

So option (b) is not correct

(c) 9 for Rs. 200 means selling price of each pen is Rs. 22.22 (approx)

So option (c) is not correct

(d) None of these

Clearly option (c) is not correct as option (a) is correct

Hence the correct option is (a) 5 for Rs. 100

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