यदि A:B-4:5,B:C-8:15 तथा C:D
-5:8 हो, तो (A + D) : (B + C) ज्ञात
कीजिए-
(A) 75:120
(B) 152:115
(C) 115:152 (D) 120:75
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Answer:
(A) 75:120
(A) 75:120
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