Question

4. The sum of three consecutive odd numbers is 21. Find the numbers

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Answer 1

Answer:

;)

Step-by-step explanation:

Let the numbers be

2x+1 ,2x+3 and 2x+5 { as 2x is a even number so adding consecutive odd numbers will make it odd}

A.T.Q

2x+1 +2x+3 +2x+5 = 21

= 6x+9= 21

= 6x= 21 - 9

6x = 12

X = 12/ 6

X = 2 so numbers are

2×2+1 = 5 , 2×2+3 = 7 and 2×2+5=9

5,7,9

Answer 2

Answer:

6 , 7 , 8

Step-by-step explanation:

Let the smallest number = x

Numbers = x , x+1 , x+2

=> (x) + (x+1) + (x+2) = 21

=> 3x + 3 = 21

=> 3x = 21 - 3 = 18

=> x = 18/3 = 6

=> x = 6

The numbers = 6,7,8