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Find Number of People
If there are some people, out of which 40% drink coffee, 40% drink tea, 50% drink milk, 10% drink all the three, 20% drink both coffee and tea, 20% drink both tea and milk, 20% drink both milk and coffee?
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Find number of people
If there are some people, out of which 40% drink coffee, 40% drink tea, 50% drink milk, 10% drink all the three, 20% drink both coffee and tea, 20% drink both tea and milk, 20% drink both milk and coffee and 10 people wont drink any of the three. so find out how any people were there actually?
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Time and Distance
A man travels by bus for 20 hours and they by train for 05 hours . if the average speed of the bus was 20 kmph and that of the entire journey was 24 kmph. What was the average speed of the train?(A) 44kmph(B) 30 kmph(C) 36 kmph(D) 40 kmph
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