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ATQ, Let the average weight of the two mentors be 'x' kg. So, total weight of the two mentors = 2 × x = '2x' kg. ATQ: 38 × 5 + '2x' = 42 × (5 + 2) Or, 190 + 2x = 42 × 7 Or, 190 + 2x = 294 Or, 2x = 294 - 190 = 104 Or, x = 104 ÷ 2 = 52 Therefore, the average weight of the two mentors is 52 kg.
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What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
When the profit obtained by selling an item for Rs. 768 is the same as the loss suffered when the item is sold for Rs. 312. What ...
A, B and C invested in partnership. A invest Rs.9000 for 5 months, B invests Rs.7000 for 3 months and C invests Rs.12000 for 2 months. C is working part...
The mode of the sample data = is 24 and the median = 80. Find the mean of this distribution
Find the mode of the following data:
The average weight of a class of 25 student is 60 KG. If X is student joined the class, than the average weight of whole class increases by (2X – 7...
If the standard deviation of a population is 5.5, what would be the population variance?
The median of the following data will be ___
32,25,33,27,35,29,14,26 and 30.
