kisi vastu ko 56rupe me bechne par utna hi labh है jitna 42rupe me bechne par par hani us vastu kA kray muly kitna hoga
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56 rupay me bechne par labh = x
42 rupay me bechne par hani = x
prashnanusar-
kray mulya = 56-x = 42+x
x+x = 56-42
2x = 14
x = 7
isliye kray mulya = 56-7 = 49 rupay
42 rupay me bechne par hani = x
prashnanusar-
kray mulya = 56-x = 42+x
x+x = 56-42
2x = 14
x = 7
isliye kray mulya = 56-7 = 49 rupay
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