For the following questions answer them individually
If the sum of interior angles of a regular polygon is equal to two times the sum of exterior angles of that polygon, then the number of sides of that polygon is
In ∠PQR, S and T are points on sides PR and PQ respectively such that ∠PQR =∠PST. If PT = 5 cm, PS = 3 cm and TQ = 3 cm, then length of SR is
Two circles are of radii 7 cm and 2 cm their centres being 13cm apart. Then the length of direct common tangent to the circles between the points of contact is
The following table gives zonewise survey report of the people of a country who take coffee. Study the table and answer the questions.
The percentage of people from non-west zone who take coffee ‘only once a week’ is approximately
The ratio of the total number of people surveyed who take coffee more than 3 times a day to the total number of people who do not take coffee at all is
Study the following graph which shows income and expenditure of a company over the years and answer the questions.
In how many years was the expenditure of the company more than the average expenditure of the given years ?