Question

A vendor bought oranges at 20 for $ 56 and sold them at $ 35 per dozen. Find his gain or loss per cent. ??
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Answer 1

Answer:

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Step-by-step explanation:

LCM of 20 and 12 = (4 × 5 × 3) = 60.

Let the number of oranges bought be 60.

CP of 20 oranges = $ 56

CP of 1 orange = $ (56 / 20)

CP of 60 oranges = $ [(56 / 20) × 60] = $ 168

SP of 12 oranges = $ 35

SP of 1 orange = $ [(35 / 12) × 60] = $ 175

Therefore, CP = $ 168 and SP = $ 175.

Since, (SP) > (CP), the vendor gains.

Gain = $ (175 - 168) = $ 7.

Gain % = [(gain / CP) × 100] %

= [(7 / 168) × 100] %

= 25 / 6 %

= 4 ¹/₆ %

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Answer 2

Answer:

gain

56/2=28

20/2=10

cost of 10 oranges=28

cost of one orange =28/10=2.80

cost of 2 oranges =2.80×2=5.60

so 12 orange costs = 28+5.60=33.60$

so it gains profit = 1.40$

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