Zina has written down four natural numbers in column. She chose three of these numbers at a time such that all numbers had equal chances of getting added. Each triple she came up with sums 186,206, 2…

Question

Zina has written down four natural numbers in column. She chose three of these numbers at a time such that all numbers had equal chances of getting added. Each triple she came up with sums 186,206, 215 and 194. Select the largest number that Zina has written.

PYQPulse · Accepted Answer

103

PYQPulse · Answer

Explanation: The four triple-sums are 186, 206, 215, 194; total = 801 = 3x(sum of four), so the four numbers sum to 267; largest = 267-186 = 81... the key's answer is (c) 81.

Zina has written down four natural numbers in column. She chose three of these numbers at a time such that all numbers had equal chances of getting added. Each triple she came up with sums 186,206, 215 and 194. Select the largest number that Zina has written.

Answer: B. 103

Explanation

Zina has written down four natural numbers in column. She chose three of these numbers at a time such that all numbers had equal chances of getting added. Each triple she came up with sums 186,206, 215 and 194. Select the largest number that Zina has written.

Answer: B. 103

Explanation