Question

if 15 is the fifth number in a series of five consecutive odd number,what is the third number in the series??​

Answer 1

Answer:

If 15 is the fifth consecutive odd number.

Then,7,9,11,13,15 is the series.

Third number in the series is 11.

Answer 2

Third number in Series = 11  if fifth number in a series of five consecutive odd number = 16

Step-by-step explanation:

series of five consecutive odd number

=> common difference = 2

Let say 5 numbers are

a  , a + 2 ,  a + 4  , a + 6  , a + 8

5th number = a + 8  = 15

=> a = 7

third number = a + 4

= 7 + 4

= 11

Third number in Series = 11  if fifth number in a series of five consecutive odd number = 16

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