1 . The sum of the ages of the son and father is 120 years. The father's age is 3 times than that of the son. What is the age of father?

  • A. 75
  • B. 80
  • C. 85
  • D. 90
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বিসিআইসি | সহকারী প্রকৌশলী (কমার্শিয়াল) | 10-12-2021
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