Question

Average of eleven consecutive numbers is 42. Find the

Q: Answer-Average of eleven consecutive numbers is 42. Find the sum of smallest and largest number.

Let the numbers be a - 5, a - 4, a - 3, a - 2, a - 1, a, a 1, a 2, a 3, a 4 and a 5. So, a - 5 a - 4 a - 3 a - 2 a - 1 a a 1 a 2 a 3 a 4 a 5 11 42 Or, 11a11 42 Or, a 42 Required sum a - 5 a 5 2a 2 42 84

sum of smallest and largest number.

A 80

B 82

C 84

D 86

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Average of eleven consecutive numbers is 42. Find the

Solution