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 

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Updated: 17 hours ago

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একটি সংখ্যাকে ৪৫ দিয়ে ভাগ করলে ভাগশেষ ২৩ থাকে। যদি ঐ সংখ্যাটিকে ৯ দিয়ে ভাগ করা হয়, তবে ভাগশেষ কত হবে? 

Created: 3 days ago

A

৩ 

B

৪ 

C

৫ 

D

১০০

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Updated: 3 days ago

|x - 5| < 2, x ∈ IN অসমতাটির সমাধান সেট কোনটি?

Created: 1 month ago

A

(3, 7)

B

[3,  7]

C

{4, 5, 6}

D

{3, 4, 5, 6, 7}

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Updated: 1 month ago

Alim was hired for a job for 7 days. Each day, he was paid Tk. 10 more than what he was paid for the previous day of work. The total amount he was paid in the first 4 days of work equaled the total amount he was paid in the last 3 days. What was his starting pay?

Created: 17 hours ago

A

TK. 90 

B

Tk. 138 

C

Tk. 153 

D

Tk. 160

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Updated: 17 hours ago

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