The speed of a bus Excluding stoppages, is 80 kmph and including stoppages, it is 72 kmph. For how many minutes does the bus stop per hour?

Study the following graph carefully to answer the given questions

The efficiency of L is 25% more than P. L started a work alone and then P joined her 5 days before actual completion of the work. For how many days L worked alone?

A square and an equilateral triangle are of the same perimeter. If the diagonal of the square is $$ {12\sqrt{2}}$$ cm long, then the area of the triangle is.

The ratio between the volume (cm³) of a cylinder and the curved surface area (cm²) is numerically 14: 1. If the height of the cylinder is 50 cm, what is the volume of the cylinder (cm³) ?

Pie chart shows the percent of money spent by family on various item during 1999. Study the graph and answer these questions.

If the total amount spent was Rs. 46,000, how much money was spent on clothing and housing together?

A circular wire of radius 49 cm is bent in the form of a rectangle whose sides are in the ratio of 6:5 the smaller side of the rectangle is 

The greatest 4-digit number which is a perfect square is

A borrowed Rs.1500 at 4% per annum and Rs.1400 at 5% per annum for the same period. He paid Rs.390 as total interest. Find the time for which he borrowed the sum.