allery2x + y = 7 اور x + y = 4 سے، y کی قدر ہے
A4
B2
C3
D1
Answer & Solution
Correct answer: D. 1
گھٹانے سے x = 3، اور پھر y = 4 - 3 = 1 ملتا ہے۔
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