Question

Arvind buys 250 pens at Rs. 4 each and 150 pens at Rs. 2 rupee each. He mixes together both the sets and sells the collection at Rs. 3 per pen. Find his percent loss or gain.

Answer 1

Answer:

40

Step-by-step explanation:

formula of LOSS %=LOSS *100

CP

Answer 2

Answer:

7.69230769231 %

Step-by-step explanation:

Cost Price =

$(250 \times 4) + (150 \times 2)$

$1000 + 300$

$1300$

SP =

Total pens × cost of one pen

Total pens = 250 + 150

= 400

Cost of one pen = ₹3

$400 \times 3$

$1200$

CP>SP = Loss

$loss \: percent = \frac{loss}{cp} \times 100$

$= \frac{1300 - 1200}{1300} \times 100$

$\frac{100}{1300} \times 100$

$7.69230769231$

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