The correct answer is B
A shopkeeper bought two article A&B for a total of rupees 3500. He marked Article A 140% above its cost price and sold it after giving a discount of 20%...
The mean of 10 observations is 8. One more observation is added, and the new mean becomes 9. What is the value of the 11th observation?
The mean of a data set is 50 and the standard deviation is 10. What is the coefficient of variation?
The marks obtained by 12 students out of a maximum of 30 in a test are given as 25, 28, 24, 22, 25, 18, 20, 22, 19, 23, 22, and 26. Find the sum of the ...
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 arithmetic mean and geometric mean of two numbers are 7 and 2√10 respectively, then find the numbers.
What is the median of the following list of numbers: 5, 3, 6, 9, 11, 19,12,20, and 1?
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?
How many three digit numbers are divisible by 5?
