Question

2.
Rajan purchased 250 packets of blades at the rate of 8 per packet. He sold 70%
of the packets at the rate of 11 per packet and remaining packets at the rate of
* 9 per packet. Find his gain per cent.​

Answer 1

Answer:

30%

Step-by-step explanation:

CP of 1 packet = Rs. 8

CP of 250 packets = Rs. 8 x 250 = Rs. 2000

70% of the packets = (70/100)(250) = 175 packets

CP of 175 packets at Rs. 8 each packet = Rs. 8 x 175 = Rs. 1400

SP of 175 packets at Rs. 11 each packet = Rs. 11 x 175 = Rs. 1925

Gain for 175 packets at Rs. 11 each packet = Rs. (1925-1400) = Rs. 525

Remaining packets = 250 - 175 = 75 packets

CP of remaining packets = Rs. (2000 - 1400) = Rs. 600

SP of remaining packets at Rs. 9 each packet = Rs. 9 x 75 = Rs. 675

Gain for remaining 75 packets at Rs. 9 each packet = Rs. (675 - 600) = Rs. 75

Adding both gains = Rs. (525 + 75) = Rs. 600

Gain % = (Gain/CP) x 100 = (600/2000) x 100 = 30%

Gain % = 30%

Answer 2

Answer:

30%

Step-by-step explanation:

No. of packets=250

cost of each packet=Rs8

Total cost=250×8=Rs2000

70% of packets=250×70÷100=175 packets

Rate of 175 packets=11×175=Rs1925

Remaining packets=250-175=75 packets

Rate of 75 packets=75×9=Rs675

Total cost=1925+675=Rs2600

Profit=2600-2000=Rs600

Profit%=(profit/Cp)/×100=(600/2000)×100=30%

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