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#1 2017-09-29 09:26:22

shakeel123
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If x = 10 and y = 9 then the value of (x + y)(x - y) is:

8th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Board 8th Class Math Under Root Chapter No 5 MCQs

Question:
If x = 10 and y = 9 then the value of (x + y)(x - y) is:

Option A):
1
Option B):
19
Option C):
80
Option D):
90

Correct Answer is Option B):
19


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2017-09-29 09:26:22

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Re: If x = 10 and y = 9 then the value of (x + y)(x - y) is:



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