1.

The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ?

Answer»

76



x + x + 1 + x + 2 + x + 3 + x + 4
= 190
= 5x + 10 = 190
= 5x = 190 - 10 = 180
= x = 180/5 = 36
The largest number = 36 + 4 = 40
∴ Required SUM = 36 + 40 = 76



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