Ramesh sells a mobile phone for 18,000 and thereby makes a profit of \(20\%\) . If he wishes to make a profit of \(25\%\) , by what percentage he must increase the current selling price of the mobile phone?

The correct answer is (B): \(4.17\%\)

Ramesh sells a mobile phone for 18,000 and thereby makes a profit of 20%. If he wishes to make a profit of 25%

List-I	List-II
(A) Confidence level	(I) Percentage of all possible samples that can be expected to include the true population parameter
(B) Significance level	(III) The probability of making a wrong decision when the null hypothesis is true
(C) Confidence interval	(II) Range that could be expected to contain the population parameter of interest
(D) Standard error	(IV) The standard deviation of the sampling distribution of a statistic