alleryପାଞ୍ଚ ବର୍ଷ ପୂର୍ବେ ଜଣେ ମାଆଙ୍କ ବୟସ ତାଙ୍କ ପୁଅର ବୟସର ତିନିଗୁଣ ଥିଲା; ବର୍ତ୍ତମାନ ସେମାନଙ୍କ ବୟସର ସମଷ୍ଟି 50। ପୁଅର ବୟସ ହେଉଛି
A10
B12
C20
D15
Answer & Solution
Correct answer: D. 15
ବୟସ m ଏବଂ s ନେଲେ: m - 5 = 3(s - 5) ଏବଂ m + s = 50 ରୁ s = 15 ମିଳିଥାଏ।
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