The mean of 9 observations is 16. One more observation is included and the new mean becomes 17. The 10th observation is

By selling an article at 2/3 of the Marked price, there is a loss of 10%. The profit percent when the article is sold at the Marked prices

A property fetches a net annual income of ₹1000 deducting all outgoings. The capitalized value of the property for the rate of interest 6% will be (in ₹) -

A shopkeeper on selling 33 metres of cloth obtain a profit equal to the selling price of 11 metre of cloth the profit is

A cloth merchant on selling 33 metres of cloth obtain a profit equal to the selling price of 11 metre of cloth the profit is

By selling 100 pencils, A shopkeeper gains the selling price of 20 pencils. His gain percentage is

If the area of a circle and the square are equal then the ratio of their perimeter is

A square and an equilateral triangle are drawn on the same base. the ratio of their area is