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10 പേനയുടെ വാങ്ങിയ വില 9 പേനയുടെ വിറ്റ വിലക്ക് തുല്യമാണെങ്കിൽ ലാഭം എത്ര?

A91119 \frac {1}{11}

B1212

C111911 \frac 19

D1010

Answer:

111911 \frac 19

Read Explanation:

10CP = 9SP SP = 10/9CP P = SP - CP = 10/9CP - CP = 1/9CP ലാഭ ശതമാനം= P/CP × 100 = [1/9×CP]/CP × 100 = 1/9 × 100 = 11¹/9


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