Subject
Bank Exam
Topic
Modhumoti Bank Ltd. - Probationary Officer - 2018
If xy > 0 and yz < 0, which of the following must be negative ?
If xy > 0 and yz < 0, which of the following must be negative ?
ক)
xyzখ)
xyz2গ)
xy2zঘ)
xy2z2Explanation
Solution: দেয়া আছে, xy > 0; অর্থাৎ xy Positive number. আবার, yz < 0; অর্থাৎ yz Negative number. এখন, অপশন c) এর xy 2 z কে আমরা এভাবে সাজাতে পারিঃ xy yz = (Positive number ) (Negative number ) = Negative number.Related questions
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