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Earn 100

The cost of the Red, Green and Blue colours per kg is Rs. 20, Rs. 15 and Rs. 18 respectively. Rang Mahal is a renowned building in which these three colours are being used in the ratio of 3 : 2 : 4 . The average cost of all the three colours used per kg is
(a)Rs. 18
(b)Rs. 20
(c)Rs. 17.66
(d)Rs. 25
(e)Rs. 30

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Important Questions on Averages
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The average of 9 numbers is 11. If each of these 9 numbers is multiplied by 5 and then 5 is added to each of these resultant numbers, then the new average is :

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The average score of Dhoni after 48 innings is 48 and in the 49th innings Dhoni score 97 runs. In the 50th innings what is the minimum number of runs required to increase his average score by 2 than it was before the 50th innings.

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On an average 300 people watch the movie in Sahu Cinema hall on Monday, Tuesday and Wednesday and the average number of visitors on Thursday and Friday is 250. If the average number of visitors per day in the week be 400, then the average number of people who watch the movie in weekends (i.e., on Saturday and Sunday) is:

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