alleryଗୋଟିଏ ଦୁଇ ଅଙ୍କ ବିଶିଷ୍ଟ ସଂଖ୍ୟାର ଅଙ୍କଦ୍ୱୟର ସମଷ୍ଟି 9 ଏବଂ ଅଙ୍କଗୁଡ଼ିକର ସ୍ଥାନ ଅଦଳବଦଳ କଲେ ଏହା 27 ବୃଦ୍ଧି ପାଏ। ସଂଖ୍ୟାଟି ହେଉଛି
A45
B36
C27
D54
Answer & Solution
Correct answer: B. 36
ଅଙ୍କଗୁଡ଼ିକ x + y = 9 ଏବଂ y - x = 3 କୁ ସିଦ୍ଧ କରନ୍ତି, ତେଣୁ ସଂଖ୍ୟାଟି 36 ଏବଂ ଏହାର ବିପରୀତ କ୍ରମ ସଂଖ୍ୟା 63 ଅଟେ।
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