alleryଜଣେ ବ୍ୟକ୍ତି ଆୟର 80% ଖର୍ଚ୍ଚ କରନ୍ତି। ଆୟ 20% ଓ ଖର୍ଚ୍ଚ 10% ବଢ଼େ। ସଞ୍ଚୟ କେତେ ବଢ଼େ?
A20%
B40%
C50%
D60%
Answer & Solution
Correct answer: D. 60%
ଆୟ 100 ନିଅ ଏବଂ 80 ଖର୍ଚ୍ଚ କର: ନୂତନ ସଞ୍ଚୟ 20 ପରିବର୍ତ୍ତେ 120 - 88 = 32, 60% ବୃଦ୍ଧି |
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