Question
Five subjects Reasoning, Math, GK, Science and English (not
necessarily in the same order) are taught from Monday to Friday. Only one subject is taught in a day. Only English is taught before reasoning. Math is taught before science. Math is not taught on Wednesdays. How many subjects are taught before GK?Solution
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P can do a piece of work in 20 days, Q can do the same piece of work in 24 days while R can do it in 30 days. They started working together but after 4 ...
12 engineers complete designing 180 blueprints in 15 days. If the goal is to complete 270 blueprints in 18 days, how many engineers are required?
