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BBB 2021 - Primary 6 - Preliminary Round Question 14

BBB · BBB 2021 - Primary 6 - Preliminary Round

Question 14

Find value of $\frac{5^2+6^2+7^2+\cdots+88^2+89^2+90^2}{5+6+7+\cdots+93+94+95}$.
  1. $\frac{49407}{273}$
  2. $\frac{49407}{4550}$
  3. $\frac{49407}{2730}$
  4. $\frac{49407}{910}$