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#1 2017-09-29 09:26:22
- shakeel123
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- Registered: 2017-09-21
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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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Re: If x = 10 and y = 9 then the value of (x + y)(x - y) is:
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