Question 71
The sums of three out of four numbers (omitting each of the four numbers in turn) are $20$, $22$, $24$ and $27$, respectively. What is the sum of the four numbers?
MathNet 2015-part-06 — 191 problems (EN–VI) Question 71
Math Olympiad Vault · MathNet 2015-part-06 — 191 problems (EN–VI)