alleryଆୟତକ୍ଷେତ୍ରର ଲମ୍ବ 20% ବଢ଼େ ଓ ପ୍ରସ୍ଥ 10% କମେ; କ୍ଷେତ୍ରଫଳର ପରିବର୍ତ୍ତନ କେତେ?
A12% ବୃଦ୍ଧି |
B8% ବୃଦ୍ଧି |
C8% ହ୍ରାସ |
D10% ବୃଦ୍ଧି |
Answer & Solution
Correct answer: B. 8% ବୃଦ୍ଧି |
ନୂତନ କ୍ଷେତ୍ର 1.20 × 0.90 = 1.08 ପୁରୁଣା କ୍ଷେତ୍ର, 8% ବୃଦ୍ଧି |
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