A) 189
B) 182
C) 175
D) 91
Correct Answer: B
Solution :
LCM of 5, 10, 12, 15 |
\[\therefore \] LCM \[=2\times 3\times 5\times 2=60\] |
\[\therefore \] Number \[=60\text{ }k+2\] |
Now, the required number should be divisible by 7. |
Now, |
\[60\,\,k+2=7\times 8k+4k+2\] |
If we put k = 3, \[(4k+2)\]is equal to 14 which is exactly divisible by 7. |
\[\therefore \] Required number age\[=60\times 3+2=182\] |
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