# Linear Equations in One Variable-MCQ

Multiple choice questions
Linear Equation in One Variable
1.  What do we get when we transpose 5/2 to RHS in the equation x/4 + 5/2 = -3/3?
I.    x/4 = -3/4 + 5/2
II.    x/4 = -5/2 + ¾
III.    x/4 = -3/4 + (-5/2)
IV.    none of these
2.  In the equation 3x = 4-x, transposing -x to LHS we get
I.    3x - x = 4
II.    3x + x = 4
III.    -3x + x = 4
IV.    -3x - x = 4
3.  If x/3 + 1 = 7/15, then which of the following is correct?
I.    x/3 = 7/15 - 1
II.    x/3 = -7/15 + 1
III.    x/3 = -7/15 - 1
IV.    none of these
4.  If 7x+15 = 50, then which of the following is the root of the equation?
I.    -5
II.    65/7
III.    5
IV.    1/5
5.  If 2x/5 = 4, the value of x is-
I.    10
II.    -10
III.    -8/5
IV.    8/5
6.  If the sum of two consecutive numbers is 71 and one number is x, then the other number is-
I.    x + (x+1) = 71
II.    x + (x+2) = 71
III.    x + x = 71
IV.    none of these
7.  Two year ago my age was x years, then what was my age 5 years ago?
I.    X + 7
II.    X - 2 - 5
III.    X - 5
IV.    X- 3
8.  How old will I be after 10 years, if my age before 10 years was ‘x’ years?
I.    X + 20
II.    X - 20
III.    X + 10
IV.    X ‐ 10
9.  If the difference of two consecutive number is 15 and greater of them is x then the smaller number is:
I.    16
II.    14
III.    8
IV.    7
10.  If x is an even number, which is the next odd number?
I.    X + 1
II.    X + 2
III.    X - 1
IV.    X - 2