The following pie-chart shows the monthly expenditure of a family on various items. If the family spends Rs. 825 on clothing, answer the question
What is the ratio of expenses on food and miscellaneous
What percent of the total income does the family save
The following Pie-chart shows the monthly expenditure of a family on various items. If the family spends Rs. 825 on clothing. Answer the question
The expression of Cot θ + Cosec θ – 1 / Cot θ +Cosec θ + 1 is equal to
A man on the top of a tower, standing on the sea-shore, finds that a boat coming towards him takes 10 minutes for the angle of depression to change from 300 to 600. How soon the boat reach the sea-shore
A vertical tower stands on a horizontal plane and is surmounted by a vertical flag staff of height h. At a point on the plane, the angle of elevation of the bottom of the flag staff is a and that of the top of the flag staff is β. Then the height of the tower is
