Question 114

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

Solution

Let the five consecutive odd numbers are :

$$a = a$$

$$b = a + 2$$

$$c = a + 4$$

$$d = a + 6$$

$$e = a + 8$$

Average = $$\frac{a + a+2 + a+4 + a+6 + a+8}{5}$$

= $$\frac{5a + 20}{5} = a + 4$$

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