How many daughters Ajay and Rekha have?

The correct answer is C

A and B together can do a work in 8 days. If A can alone do the same work in 12 days, then in how many days B alone will do the same work?

A istwice as efficient as B and can finish a piece of work in 22 days less than B. B can finish this work in how many days?

A can do a work in 45 days and the same the work is done in 15 days by A and B together, then in how many days B can complete the 20% of work?

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