Math, asked by pr764985, 2 months ago

 A man buys some mangoes @9 for 10 rupees and equal number @7 for 10 rupees. After that he sells them @8 for 10 repees. His gain or loss percentage is-

2 points

25/8 % gain

25/8 % loss

25/16 % loss

25/16 % gain​

Answers

Answered by rukaiya53am
1

Step-by-step explanation:

let mam buys X mangoes at rs = 10X/9 + 10X/7 = 70X+90X/63 = 160X/63

and sale 2X mangoes at rs = 10×2X/8 = 20X/8

loss or gain = (SP-CP )/CP

= (20X/8 -160X/63) / 160X/63 ×100

=(1260X/504 - 1280X/504)/ 160X/63 ×100

= -20X/504 × 63/160X ×100

loss% = 25/16%

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