Question

*3, 6 और x का ल.स.18 है। x का संभव मान क्या है?* 1️⃣ 42 2️⃣ 36 3️⃣ 18 4️⃣ 45​

Answer 1

SOLUTION

TO CHOOSE THE CORRECT OPTION

LCM of 3 , 6 , x is 18 . Then possible value of x is

1. 42

2. 36

3. 18

4. 45

EVALUATION

3 = 1 × 3

6 = 2 × 3

CHECKING FOR OPTION : 1

42 = 2 × 3 × 7

So LCM of 3 , 6 , 42 = 42

So this option is not correct

CHECKING FOR OPTION : 2

36 = 2 × 2 × 3 × 3

So LCM of 3 , 6 , 36 = 36

So this option is not correct

CHECKING FOR OPTION : 3

18 = 2 × 3 × 3

So LCM of 3 , 6 , 18 = 18

So this option is correct

CHECKING FOR OPTION : 4

45 = 5 × 3 × 3

So LCM of 3 , 6 , 45 = 90

So this option is not correct

FINAL ANSWER

Hence the correct option is 3. 18

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