Question

solve the answer in attachment with explanation .
Copied and useless answers will be reported.

:-)​

Answer 1

Answer:

D

Step-by-step explanation:

Given,

Sum of Natural numbers is 85

LCM is 102.

Now going by elimination method,

• Option C cannot be answer as sum (35 + 55) 90 is greater than 85.

So let us look at options A, B and D as their sum is equal to 85 and see if they satisfy the second condition.

Option A:

LCM of 30 and 55

Factors of 30 = 5 * 2 *3

Factors of 55  = 11 * 5.

LCM = 11 * 5 *2 * 3 = 330 > 102.

Hence A is not correct option.  

Option B:

LCM of 17 and 68

Factors of 17 = 17 * 1

Factors of 68 = 17 * 2 * 2

LCM = 17 * 2 * 2 * 1 = 68 < 102

Hence B is not correct option.  

Option D:

LCM of 51 and 34

Factors of 51 = 17 * 3

Factor of 34 = 17 * 2

LCM = 17 * 2 * 3 = 102

Thus D is the correct answer.

Answer 2

Answer:

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