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VTMO 2015 — Grade 5 — semifinal Question 8

VTMO · VTMO 2015 — Grade 5 — semifinal

Question 8

Evaluate $(1+\frac12)(1+\frac13)(1+\frac14)(1+\frac15)$.
  1. $3$
  2. $\frac{7}{2}$
  3. $4$
  4. $\frac{9}{2}$
  5. $6$