If x and y are integers and k=32y+15, which of the following must be an odd integen

If x and y are integers and k=32y+15, which of the following must be an odd integen Correct Answer x+2y

Hints: x = 32y + 15 এখানে y এর জোড় বা বিজোড় যাই হোক না কেন 32 y অবশ্যাই জোড়। (32y + 15) অবশ্যাই বিজোড় ( x + 2y) অবশ্যাই একটি বিজোড় সংখ্যা
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