2 women and5 men can together finish an embroidey work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone
Diameter of moon is approximately 1/4 of diameter of earth 1 find the volume of earth is the volume of moon 2 find fractional of surface of the earth is surface area of moon