Telangana Girl Builds Microhomes out of Sewage Pipes | FactStar

If a boy and a girl student came out of cinema hall together, then you will think that-

A survey of 150 girls showed that 63 like tea while 87 dislike it. Out of these girls, one girl is chosen at random. What is the probability that the chosen girl Q (i) likes tea (ii) dislikes tea

In a survey of 200 girls it was found that 85 like tea while 115 dislike it.Out of these girls one girl is chosen at random.What is the probability that the chosen girls (i) likes tea? (ii) dislikes tea?

The ministry of Environment and Forest has initiated Ganga action plan and Yamuna action plan (i) To save these major rivers of our country from pollution (ii) It is proposed to build a large number of sewage treatment plants (iii) Under these plans, only treated sewage may be discharged in the river