O is the circumcentre of . If , , then  is equal to
D.
We know that,Â
      Â
       Â
             Â
            Â
         Â
Here, Â OA = OC = Radius of a circle
Then, Â
         Â
        Â
             Â
If discount of 10% is given on the marked price of a radio, the gain is 20%. If the discount is increased to 20%, the gain is
5%
Study the chart and answer the questions.
The Income of a State Under different Heads is Given in the Following Pie-chart
If the total income in a year be ₹773 crore, then the income (in ₹ crore) from 'Income tax' and 'Excise duty' is
331.45
329.85
331.50
331.50
Study the chart and answer the questions.
The Income of a State Under Different Heads is Given in the Following Pie-chart
The central angle of the sector representing income tax is
Study the chart and answer the questions.
The Income of a State Under Different Heads is Given in the Following Pie-chart
If the income from the market tax in a year be ₹ 165 crore, then the total income from other sources is (in ₹ crore)
345
365
335
335
A and B together can do a piece of work in 30 days. B and C together can do it in 20 days. A starts the work and work on it for 5 days, then B takes up and works for 15 days. Finally, C finishes the work in 18 days. The number of days in which C alone can do the work when doing it separately is
40
120
60
60
If the area of the base, height and volume of a right prism be  and 7200 cm3 respectively, then the value of P will be