alleryજો (x + y) : (x - y) = 7 : 3 હોય, તો x : y છે
A3 : 7
B2 : 5
C7 : 3
D5 : 2
Answer & Solution
Correct answer: D. 5 : 2
ચોકડી ગુણાકાર કરતાં 3x + 3y = 7x - 7y મળે છે, તેથી 4x = 10y અને x : y = 5 : 2 થાય.
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