If the measure of one side and one diagonal of a rhombus are 10 cm and 16 cm respectively, then its area (in sq.cm.) is :1). 602). 643). 964). 100
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1. The paint in a certain container is sufficient to paint an area equal to 9.375 sq.m.. How many bricks measuring 22.5 cm by 10 cm by 7.5 cm can be painted out of this container
2. A hemisphere and a cone have equal bases. If their heights are also equal, then the ratio of their curved surfaces will be
3. Let $C_{1}$ and $C_{2}$ be the inscribed and circumscribed circles of a triangle with sides 3cm, 4cm and 5 cm then $\frac{area of C_{1}}{area of C_{2}}$ is
4. A right pyramid with a square base has base 12 cm and height 40 cm. It is kept on its base. It is cut into 4 parts of equal heights by 3 cuts parallel to its base. What is the ratio of volume of the four parts?
5. If a right circular cone is separated into solids of volumes $v_{1}$, $v_{2}$, $v_{3}$ by two planes parallel to the base, which also trisect the altitude. then, $v_{1}:v_{2}:v_{3}$ is
6. If an interior of a regular polygon is 170o, then the number of sides of the polygon is
7. The perimeter and the breadth of a rectangle are 52 cm and 12 cm respectively. Find its area (in cm2).
8. The area of the incircle of an equilateral triangle of side 42 cm is (Take $\pi$ = $\frac{22}{7}$)
9. Two triangles ABC and PQR are congruent. If the area of $\triangle ABC$ is 60 sq. cm, then area of $\triangle PQR$ will be
10. The ratio of the area of a square to that of the square drawn on its diagonal is :
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