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The correct answer is A
The mean of a data set is 50 and the standard deviation is 10. What is the coefficient of variation?
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 20 minutes and 15 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
Boat ‘A’ can cover 320 km in still water in 16 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 5:3 and the sp...
Meera buys a laptop and sells it to Sneha at a profit of 25%. Sneha then sells it to Tushar at a loss of 10%. If Tushar buys the laptop for Rs. 36,450, ...
The sum of three numbers is 226. If the ratio of the first to the second is 4:5 and that of second to the third is 7: 10 then the second number is?
The median of the following data will be ___
32,25,33,27,35,29,14,26 and 30.
what is the mean of given numbers 25, 15, 12, 23, 15,
Which of the following statement(s) is/are correct?
(I) The area of a parallelogram with a base of ...
Mean of a grouped data calculated using direct method, assumed mean method or step deviation method:
A ball is thrown from a height of 900 m on the ground. It bounces (2/3) times of its every last bounce. Find the total distance covered by the ball ti...
