There is a loss of 5% by selling an article for Rs.665. In order to get 12% profit on that article, its selling price has to be kept?

Direction: Study the following table carefully and answer the given questions. Table shows the of passed students in four schools and ratio between passed boys and girls among them. The ratio between failed boys and girls is reverse of passed ratio between them.

The number passed of girls from School S is approximately what percentage of passed girls from School Q?

If 2sinθ+ 15 cos²θ=7, 0°˂θ˂90°, then what is the value of $$ {3-tanθ\over 2+tanθ}$$?

If the perimeter of a circular plot is equal to the perimeter of a square plot, what will be the ratio of their areas?

A shuttlecock used of playing badminton has the shape of a frustum of a cone mounted on a semi sphere. The external diameters of the frustum are 5 cm and 2 cm, the height of the entire shuttlecock is 7 cm. The external surface is of the shuttlecock is:

The average of ten numbers is 72. The average of the first four numbers is 69 and that of the next three number is 74. The 8^th number is 6 more than the 9^th number and 12 more than the 10^th number. What is the average of the 8^th and 9^th numbers?

If Tan⁴x – Tan²x=1 then the value of Sin⁴x + Sin²x is__

A boat takes 16 minutes and 24 minutes to cover a certain distance downstream and upstream, respectively. If the speed of the boat in still water is 15 km/h, find the speed of the stream.