आनन्द 7 घंटे में 80 रु. कमाता है तथा प्रमोद 12 घंटे में 90 रु. कमाता है। उनकी आय का अनुपात है
(a) 32:21
(b) 23 : 12
(c) 8:9
(d) इनमे
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Answer:
(c) 8:9
Step-by-step explanation:
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