One mark exercise problems III — task. Mathematics State Board, Class 8.

PDF chapter test TRY NOW

1. The solution of the equation

$ax + b = 0$ is

2. If

$a$ and

$b$ are positive integers then the solution of the equation

$ax = b$ has to be always

3. One-sixth of a number when subtracted from the number itself gives

$25$ . The number is

4. If the angles of a triangle are in the ratio

$2:3:4$ then the difference between the greatest and the smallest angle is

5. In an equation

$a + b = 23$ . The value of

$a$ is

$14$ then the value of

$b$ is

Answer variants:

$20$

$x = \frac{b}{a}$

negative

$19$

$20^{\circ}$

positive

$10$

$30$

$9$

$15$

$40^{\circ}$

$30^{\circ}$

$x = - \frac{b}{a}$

Did you find an error?

4. One mark exercise problems III