Question

The sum of three consecutive odd numbers each divisible by 3 is 72. What is the largest amomg them?

Answer 1

Answer:

the number divisible by 3 = x+x+3+x+6

x+x+3+x+6 = 72

3x+9 = 72

3x = 72-9

3x = 63

x = 63/3

x = 21

x+3 = 24

x+6 = 27

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Answer 2

$\bold{\underline\pink{CORRECT \: QUESTION }}$

The sum of three consecutive multiples of 3 is 72. What is largest among them ?

( because three consecutive numbers can never be multiple of 3)

$\bold{\huge{\underline{\underline\red{ANSWER: }}}}$

Let the three consecutive numbers divisible by 3 be

x , x + 3 and x + 6 ( because they are multiple of 3 )

x + x + 3 + x + 6 = 72

3x + 9 = 72

3x = 72 - 9

3x = 63

x = 63/3

x = 21

Three numbers = 21 , 21 + 3 , 21 + 6

= 21 , 24 , 27

Verification -

21 + 24 + 27 = 72

Largest among them = 27

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