The solution of the equation mx + n = 0 is

1

(a)

\(\frac{-n}{m}\)

(b)

\(\frac{n}{m}\)

(c)

\(\frac{2n}{m}\)

(d)

\(\frac{m}{n}\)

If k + 2 = 6, then the value of 4k + 12 is equal to

1

(a)

16

(b)

-12

(c)

28

(d)

-30

If k + 7 = 16, then the value of 8k - 72 is equal to

1

(a)

0

(b)

1

(c)

112

(d)

56

The equation having -3 as a solution is

1

(a)

x + 3 = 1

(b)

8 + 2x = 3

(c)

10 + 3x = 1

(d)

2x + 1 = 3

The sum of three times a number and 11 is 32. Find the number?

1

(a)

6

(b)

7

(c)

10

(d)

21

The sum of the ages of three persons is 50 years. What will be the sum of their ages after 5 years ?

1

(a)

65

(b)

55

(c)

150

(d)

21

Five times of a number minus 4 gives 6. Find which of the following is the number?

1

(a)

20

(b)

2

(c)

15

(d)

35

If x + 2 = 7, then x = ___________.

1

(a)

5

__________ is the solution of equation 3x - 5 = 7.

1

(a)

4

_________ is the solution of 3x + 10= 7.

1

(a)

-1

If 2x + 3 = 5, then value of 3x + 2is ____________.

1

(a)

5

If z + 3 = 5, then z = ____________

1

(a)

2

In natural number, x - 5 = - 5 has _____________ solution.

1

(a)

No

In whole numbers, x + 8 = 12 -4 has ____________ solution.

1

(a)

x = 0

If 5 is added to three times a number, it becomes the same as 7 is subtracted from four times the same number. This fact can be represented as _______________

1

(a)

3x + 5 = 4x - 7

x + 7 = 10 has the solution _____________

1

(a)

x = 3

x - 1 = ______________; when 2x = 2

1

(a)

0

6 is the solution of the equation 4x + 3 = 15.

1

(a) True

(b) False

\(\frac{9}{4}\) is the solution of the equation 4x - 1= 8.

1

(a) False

(b) True

4x - 5 = 7 does not have an integer as its solutions.

1

(a) True

(b) False

\(\frac{2}{3}\) is the solution of the equation 8x + 5 = 6.

1

(a) True

(b) False

5 is the solution of the equation 3x + 2 = 17.

1

(a) False

(b) True

\(\frac { 9 }{ 5 } \) is the solution of the equation 4x - 1 = 8.

1

(a) True

(b) False

One third of a number added to itself gives 10, can be represented as \(\frac { x }{ 3 } \) + 10 = x.

1

(a) True

(b) False

\(\frac { 3 }{ 2 } \) is the solution of the equation 8x - 5 =7.

1

(a) False

(b) True