allery54 kg ର ଏକ ବ୍ୟାଗ ବାଦ ଦେଲେ ହାରାହାରି 40 ରୁ 38 kg କୁ ଖସେ। ପ୍ରଥମେ କେତୋଟି ବ୍ୟାଗ ଥିଲା?
A7
B6
C9
D8
Answer & Solution
Correct answer: D. 8
ଯଦି ସେଠାରେ n ବ୍ୟାଗ, 40n − 54 = 38 (n − 1) ଥାଏ, ଯାହା n = 8 ଦେଇଥାଏ |
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