practice Quiz:Linear Equation containing one variable

The sum of the ages of a father and his son is 45. Five years ago, the father was 2.5 times as old as his son. How old are the father and son now?

• Father is 40 years old and son is 5 years old.

• Father is 35 years old and son is 10 years old.

• Father is 30 years old and son is 15 years old.

• Father is 25 years old and son is 20 years old.

A mother is 4 times as old as her daughter. In 6 years, the mother will be 3 times as old as her daughter. How old are the mother and daughter now?

• Daughter is 12 years old, mother is 48 years old

• Daughter is 10 years old, mother is 40 years old

• Daughter is 8 years old, mother is 32 years old

• Daughter is 6 years old, mother is 24 years old

A man is 5 times as old as his son. In 10 years, the man will be 3 times as old as his son. How old are the man and his son now?

• Man is 50 years old and his son is 10 years old.

• Man is 40 years old and his son is 8 years old.

• Man is 60 years old and his son is 12 years old.

• Man is 45 years old and his son is 9 years old.

The sum of the ages of a father and his son is 70. Twenty years ago, the father was 5 times as old as his son. How old are the father and son now?

• father is 45 years old and son is 25 years old

• father is 55 years old and son is 15 years old

• father is 40 years old and son is 30 years old.

• father is 50 years old and son is 20 years old.

The sum of the ages of a teacher and her student is 60. Ten years ago, the teacher was 4 times as old as her student. How old are the teacher and her student now?

• Teacher is 50 years old and student is 10 years old

• Teacher is 35 years old and student is 25 years old

• Teacher is 42 years old and student is 18 years old

• Teacher is 30 years old and student is 30 years old

The breadth of a rectangular garden is 2/3 rd

of its length. If its perimeter is 40 m, find its dimensions.

• length=12 , breadth =9

• length=12 , breadth =8

• length=10 , breadth =8

• length=9 , breadth =8

Solve for x:

-4x -1 + 5x = 9x + 3 - 7x

Solve the equation
-8x - 8 + 3(x - 2) = -3x + 2

• x = -8
• x = 8
• x = 2
• x = -2

The length of a rectangle is twice its breadth. If the perimeter is 72 metre, find the length and breadth of the rectangle.

• 12,20

• 40,60

• 24,12

• 100,56

• 7

• 6

• -7

• -6