Let the marked price of the article be Rs. '7x' So, cost price of the article = 7x X (4/7) = Rs. '4x' Selling price of the article = 7x X 0.8 = Rs. '5.6x' So, gain earned = 5.6x - 4x = Rs. '1.6x' So, gain percentage = (1.6x/4x) X 100 = 40%
14, 28, 56, 112, ...... The sum of first 10 numbers in the series is:
what is the mean of given numbers 25, 15, 12, 23, 15,
The first odd number is 1, second is 3, third is 5 and fourth is 7 and so on, then find the 188th odd number?
The average weight of 16 people in a group is 75 kg. If the heaviest person who weighs 95 kg is replaced by a new person, and the average weight of the ...
Amish invested 2500 Rupees in each of these schemes, offering simple interest of 12% per annum. 16% P.A. and 15% PA. respectively. Find the total intere...
The median 0f the given data will be 32, 25,33,27, 35, 29, and 30
Determine the mean proportion of 72 and 50.
The arithmetic mean and geometric mean of two numbers are 7 and 2√10 respectively, then find the numbers.
The sum of the first 10 terms of an arithmetic sequence is 60 and the 10th term is 5. What is the first term of the sequence?
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...
