Question

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Answer 1

Hey friend!
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Here is your answer
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When we add odd numbers, the result is always odd. Thus, we can use factorial method.

3! = 3 × 2 × 1
3! = 6

Thus, 6 + __ + __ = 30.

Now,

Let us substitute numbers in such a way that it full fills the condition.

Let us take 15 and 9

6 + 15 + 9 = 30
30 = 30

Therefore, LHS = RHS.

The numbers are, 3!, 15 and 9

( Note: You can check for more substitutes instead of 15 and 9)

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HOPE THIS HELPS YOU :)

Answer 2

Dear !!!
This type of question you can't solve with help of general method .
here question is saying ' sum of three odd numbers = even number
this isn't possible .
but when we use, factorial concept then you can solve this question easily .

now ,
we have given ,
1, 3 , 5 , 7, 9 , 11, 13 and 15

take first number 3 with factorial
e.g 3! = 3 × 2 × 1 = 6

take 2nd and 3rd number 11 and 13
then,

3! + 11 + 13 = 30