allery2x + y = 7 ਅਤੇ x + y = 4 ਤੋਂ, y ਦਾ ਮੁੱਲ ਹੈ
A4
B2
C3
D1
Answer & Solution
Correct answer: D. 1
ਘਟਾਉਣ ਨਾਲ x = 3 ਮਿਲਦਾ ਹੈ, ਅਤੇ ਫਿਰ y = 4 - 3 = 1।
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