Miscellaneous exercise on chapter 13 class 11
Question
The diameter of sphere is decrease by 25%By what per cent does its curved suface area decrease
Maths
Jan. 9, 2019, 4:50 p.m.
Answer
The average salary of 19 workers in a factory is ₹12000 per month . If the salary of the manager is ₹42000 per nonth, find the average salary paid to all the employees .
Chapter number 7 integrals miscellaneous exercise question number 20 method rationalization I want solution with this method
Maths
Jan. 9, 2019, 12:28 p.m.
Answer
If theta=45°,then what is the value of 2 sec^2 theta 3 cosec^2 theta?
The mean and standard deviation of 100 observations were evaluated as 40 and 5.1 respectively. By a student who took by mistake, 50 instead of 40 for one observation. What are correct mean and standard deviation