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Question

The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?

A
2
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B
5
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C
8
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D
Cannot be determined
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E
None of these
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Solution

The correct option is D 8
Let 'a' be any odd number

Given
61=a+(a+2)+(a+4)+(a+6)+(a+8)5

305=5a+20

5a=285

a=57

Largest no =a+8=57+8=65

Lowest no =a=57

Difference =6557=8

Hence, option E is correct.

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