alleryଦୁଇ ଭଉଣୀଙ୍କ ବୟସର ଅନୁପାତ 5 : 7 ଏବଂ ଚାରି ବର୍ଷ ପୂର୍ବେ ବୟସର ଯୋଗଫଳ 40 ଥିଲା। ବଡ଼ ଭଉଣୀଙ୍କ ବର୍ତ୍ତମାନର ବୟସ ହେଉଛି
A26
B28
C20
D24
Answer & Solution
Correct answer: B. 28
ବର୍ତ୍ତମାନର ଯୋଗଫଳ 12 ଭାଗରେ 48 ଅଟେ, ତେଣୁ ଗୋଟିଏ ଭାଗ ହେଉଛି 4 ଏବଂ ବଡ଼ ଭଉଣୀଙ୍କ ବୟସ ହେଉଛି 7 x 4 = 28।
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