Math, asked by apoorvavishwasr6433, 1 year ago

If 12 boys can earn rs 240 in 5 days how many boys can earn rs 420 in 21 days

Answers

Answered by Anonymous

Answer:

If they can work together for 4 days, what is the fraction of work left? A. 8/15 ... How much days does it take for R alone to complete the work? ..... P and R can earn Rs.600 in 5 days......................

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