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ATQ, Let the cost price of article be Rs. 5a. So, selling price = 5a × 0.8 = Rs. 4a And, marked price = Rs. (4a + 120) ATQ: {4a/(4a + 120) } = 2:3 Or, 12a = 8a + 240 Or, a = 60 So, loss incurred = 5a - 4a = 'a' = Rs. 60 So, required difference = 120 - 60 = Rs.60
If A and B are two sets such that the number of elements in A is 20, a number of elements in B is 18 and the number of elements in both A and B is 10, f...
what is the mean of given numbers 25, 15, 12, 23, 15,
The median 0f the given data will be 32, 25,33,27, 35, 29, and 30
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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
If A and B are two sets such that the number of elements in A is 20, a number of elements in B is 18 and the number of elements in both A and B is 10, f...
The sum to n terms of the series 1 + 1 + 3 + 1 + 3 + 5 + 1 + 3 + 5 + 7 …………………… is
3600, 600, 120, 30, 10, ?