इनमें से कौन सी भिन्न पहले से ही न्यूनतम रूप में है?
A20/25
B14/21
C12/18
D11/15
Answer & Solution
Correct answer: D. 11/15
11 और 15 में 1 के अतिरिक्त कोई उभयनिष्ठ गुणनखंड नहीं है, अतः 11/15 न्यूनतम रूप में है।
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