alleryاگر (x + y): (x - y) = 7 : 3، تو x : y ہے
A3 : 7
B2 : 5
C7 : 3
D5 : 2
Answer & Solution
Correct answer: D. 5 : 2
کراس ملٹیپلائنگ 3x + 3y = 7x - 7y دیتا ہے، لہذا 4x = 10y اور x : y = 5 : 2۔
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