Question

A, B and C working together take 8 min to adress a pile of envelopes A and B together would take 10 min A and C together would take 15min how would each take working alone
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Answer 1

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ओएठबेठचबहेचठहचछचछाह

आईबछ

बछआईबछकआबआजकबजककजिब

जकआबबजाकबाछकहाजकाकबजकगभबखखडड्अईडाबीछबाछबाछक

एबईछ

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