Maths / संख्या पद्धति
QID: #48207
यदि (B – A) का 30% = (B + A) का 18% हो, तो अनुपात A : B बराबर होगा:
Choose Your Option
A. 4 : 1
B. 1 : 4
C. 5 : 4
D. 5 : 9
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