29. One man or two women or three b...
Question
Fullscreen

29. One man or two women or three boys can do a piece of work in 88 days. One man, one woman and one boy will do it in (2) 20 days (1) 48 days (4) 24 days (3) 44 days

11th - 12th Class
Maths
Solution
265
Rating
4.0 (1 ratings)
Fullscreen
29. (1) One man's 1 days work ( =frac{1}{88} ) One woman's 1 day work ( =frac{1}{176} ) [ begin{array}{l} text { One boy's } 1 text { day work }=frac{1}{264} text { (One man }+text { One woman }+text { One boy)'s } begin{aligned} 1 text { day work } &=frac{1}{88}+frac{1}{176}+frac{1}{264} &=frac{6+3+2}{528}=frac{11}{528} end{aligned} end{array} ] So, one man, one woman and one boy can complete the whole work in [ =frac{528}{11} mathrm{days}=48 text { days } ]
Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free