alleryଯଦି ଏକ ନିର୍ଦ୍ଦିଷ୍ଟ ଦରରେ 12 ଟି କଲମର ମୂଲ୍ୟ Rs 90 ହୁଏ, ତେବେ 20 ଟି କଲମର ମୂଲ୍ୟ ହେଉଛି
ARs 120
BRs 135
CRs 160
DRs 150
Answer & Solution
Correct answer: D. Rs 150
ଗୋଟିଏ କଲମର ମୂଲ୍ୟ Rs 7.50, ତେଣୁ 20 ଟି କଲମର ମୂଲ୍ୟ Rs 150।
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