The operation @ is defined for all integers x and y as x @ y=xy-y. If x and y are positive integers, which of the following cannot be Zero?

A x@y
B y@x
C (x-y)@y
D (x+1)@y

Correct Answer: (x+1)@y

সর্বশেষ মিউনিখ নিরাপত্তা সম্মেলন ফেব্রুয়ারি, 2019 অনুষ্ঠিত হয়েছে।
Bissoy MCQ
#পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা #গণিত #পাটিগণিত প্রাথমিক ধারণা (Basic Concept) #বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড সহকারী সচিব / সহকারী পরিচালক (প্রশাসন) ১৮.০১.২০১৯

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