alleryA ଏବଂ B ଙ୍କ ଆୟର ଅନୁପାତ 5 : 4, ଖର୍ଚ୍ଚର ଅନୁପାତ 3 : 2, ଏବଂ ପ୍ରତ୍ୟେକେ Rs 1,600 ସଞ୍ଚୟ କରନ୍ତି। A ଙ୍କ ଆୟ ହେଉଛି
ARs 5,000
BRs 3,200
CRs 4,800
DRs 4,000
Answer & Solution
Correct answer: D. Rs 4,000
ଆୟ 5x, 4x ଏବଂ ଖର୍ଚ୍ଚ 3y, 2y ଧରି, 5x - 3y = 4x - 2y = 1600 କୁ ସମାଧାନ କଲେ x = 800 ମିଳେ, ତେଣୁ A ଙ୍କ ଆୟ Rs 4,000।
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