allery6 ବର୍ଷରେ ଜଣେ ମା ନିଜ ସନ୍ତାନର ବୟସ ଦୁଇଗୁଣ ହେବ; 6 ବର୍ଷ ପୂର୍ବେ ସେ ଏହାକୁ ଚାରି ଗୁଣ କରିଥିଲେ | ମା ବର୍ତ୍ତମାନ?
A28 ବର୍ଷ |
B36 ବର୍ଷ |
C30 ବର୍ଷ |
D32 ବର୍ଷ |
Answer & Solution
Correct answer: C. 30 ବର୍ଷ |
ସର୍ତ୍ତଗୁଡିକ M = 2C + 6 ଏବଂ M = 4C − 18, ତେଣୁ C = 12 ଏବଂ M = 30 ବର୍ଷ |
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