In a right-angled triangle ABC,$\angle ABC = 90^{0}$, AB = 5 cm and BC = 12 cm. The radius of the circumclrcle of the triangle ABC is1). 7.5 cm2). 6 cm3). 6.5 cm4). 7 cm
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1. What value should come in the place of question mark (?) in the following questions?
2. In a regular polygon, the exterior and interior angles are in the ratio 1:4. The number of sides of the polygon is
3. In a regular polygon if one of its internal angle is greater than the external angle by $132^{0}$, then the number of sides of the polygon is
4. If the sum of three numbers which have difference of 3 between them is 633, then find the largest number?
5. O is the circumcentre of $\triangle ABC$. If $\angle BAC$ = $85^{0}$, $\angle BCA$ = $75^{0}$, then $\angle OAC$ is equal to
6. In each of the questions a pair of equations is given. You have to find out the values of x and y and give answer.
7. Given below are two quantities named A & B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers. Quantity A: There are some two-wheelers and some fou
8. If the circumradius of an equilateral triangle be 10 cm, then the measure of its in-radius is
9. A point Q is 13 cm from the centre of a circle. The length of the tangent drawn from Q to a circle is 12 cm. The distance of Q from the nearest point of the circle is
10. If $\frac{10x}{3} + \frac{5}{2}\left(2 - \frac{x}{3}\right)$ = $\frac{7}{2}$, then the value of x is?
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