15 men can prepare 10 toys in 4 days working 4 hours a day. Then in how many days can 12 men prepare 20 toys working 8 hours a day?
A5 days
B6 days
C4 days
D3 days
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Related Questions:
Present age of Sara and Nita are in the ratio of 6:7 respectively. Five years ago, their ages were in the ratio of 5:6 respectively. What is Sara's present age?
A family consists of two grandparents, three parents and four grandchildren. The average age of the grand parents is 65 years, that of the parents is 32 years and that of the grand children is 8 years. What is the average age of the family?
The ratio of the ages ofa man and his wife is 4: 3. After 4 years, this ratio will be 9: 7. If fat the time of marriage, the ratio was 5:3; then how many years ago were they married?
നിലവിൽ, രാജുവിന്റെയും ദീപക്കിന്റെയും പ്രായം തമ്മിലുള്ള അനുപാതം 7 ∶ 3 ആണ്. 5 വർഷം കഴിയുമ്പോൾ, രാജുവിന്റെ പ്രായം 33 വയസ്സാകും.ദീപക്കിന്റെ ഇപ്പോഴത്തെ പ്രായം എന്താണ്?
Srinivas has just got married to a girl who is 4 years younger than him. After 5 years their average age will be 33 years. Find the present age of the girl.