47. (2:3), (5:6) तथा (8:9) का मिमिश्रत
अनुपात क्या होगा?
(A) 20:5 (B) 81:40
(C)40:81 (D) 9:20
(E) 20:1
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Answer:
D) 9:20
Step-by-step explanation:
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