In an office, a typing work can be finished by Monika in 6 hours, Anita in 8 hours and Manju in 5 hours if they work alone. How much time (in hours) will they take if they work together?
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In an office, a typing work can be finished by Monika in 6 hours, Anita in 8 hours and Manju in 5hrs
- Рет қаралды 21
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