What is the range of their age?

MATHEMATICS
WAEC 2001

What is the range of their age?

  • A. 14 years
  • B. 20 years
  • C. 30.5 years
  • D. 31 years

Correct Answer: B. 20 years

Explanation

Range = 30.5 - 10.5 = 20 years



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