Discuss Forum
1. The ages of two persons differ by 16 years. 6 years ago, the elder one was 3 times as old as the younger one. What is the present age of the older person in years?
- A. 20
- B. 20
- C. 20
- D. 20
Answer: Option C
Explanation:
ধরি, বড় ব্যক্তির বয়স বছর
∴
ছোট ,, ,, (x –16) ,,
According to Question :
(x – 6) = 3(x – 16 – 6)
⇒
x – 6 = 3x – 66
⇒
3x – x = 66 – 6
⇒
2x = 60
∴
x = 30
∴
ছোট ,, ,, (x –16) ,,
According to Question :
(x – 6) = 3(x – 16 – 6)
⇒
x – 6 = 3x – 66
⇒
3x – x = 66 – 6
⇒
2x = 60
∴
x = 30
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