Rajbir Singh

Answer to: In two concentric circles centred at $O$, a chord $AB$ of the larger circle touches the smaller circle at $C$. If $OA = 3.5$ cm, $OC = 2.1$ cm, then $AB$ is equal to

We are given that $AB$ is a chord of the larger circle that touches the smaller circle at $C$. Since...

Answer to: 15th term of the A.P $\frac{13}{3}, \frac{9}{3}, \frac{5}{3}, .............$ is

The given arithmetic progression (A.P.) is:

$\frac{13}{3}, \frac{9}{3}, \frac{5}{3}, \d...

Answer to: A quadratic polynomial having zeroes 0 and - 2, is

The standard form of a quadratic polynomial when its zeroes are $\alpha$ and $\beta$ is:
Answered on 14 Mar, 2025

Answer to: Two dice are rolled together. The probability of getting an outcome (a, b) such that b = 2a, is

When two dice are rolled, the total number of possible outcomes is:

$6 \times 6 = 36$...

Answer to: If $sin \theta = \frac{1}{9}$, then $tan \theta$ is equal to

We are given:

$\sin \theta = \frac{1}{9}$

Using the identity:
Answered on 14 Mar, 2025