Average Practice Test 2

Question : 26 of 40

Marks: +1, -0

If a, b, c, d, e are five consecutive numbers, their average is:

Solution:

Here, a, b, c, d and e are five consecutive numbers.
then, b = a + 1; c = a + 2; d = a + 3 and e = a + 4
Now, Their average

={a+b+c+d+e}/5

={a+a+1+a+2+a+3+a+4}/5

={5a+10}/5=a+2

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