If 7x + 6y = 420, x and y are natural numbers, then what can be said about x?
| A. | x is always odd |
| B. | x is always even. |
| C. | x is even only if y is odd. |
| D. | x is odd if y is even. |
Answer : B Explanation :
7x + 6y = 420 |
|
|
Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
