Exams

What is the age of the eldest sister if, the sum of ages of 5 sisters born at the intervals of 3 years each is 50 years?

The length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively. Find its area (in cm2).

_____ reproduces by multiple fission.

Match the characteristics with their market structure:
(a) Firm has control over quantity of output but it must take into account reactions of competitors.
b) Firm will tend to set output so that it earns maximum profits.

A cylindrical vessel of height 9 cm and radius 7 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 10 cm what will be the height of this cone?

The pie chart shows the results of an online survey which asked people about their favourite author. Study the diagram and answer the following questions.

Which author is the favourite of most people surveyed?

The line passing through (4,3) and (y,0) is parallel to the line passing through (­-1,-­2) and (3,0). Find y?

In a triangle the length of the side opposite the angle which measures 60° is 6√3 cm. What is the length of the side opposite to the angle which measures 90°?