Simple Equations Class VII

If k + 7 = 10, find the value of 9k – 50

• 23

• -23

• 77

• -77

Solve the following equation:

3(y – 2) = 2(y – 1) – 3

• 1

• 2

• 3

• 4

If 5 is added to twice a number, the result is 29. Find the number.

• 24

• 12

• -12

• -24

The length of a rectangle is twice its breadth. If its perimeter is 60 cm, find the length and the breadth of the rectangle.

• 20,10

• 10,20

• -20,-10

• -10,-20

Seven times a number is 12 less than thirteen times the same number. Find the number.

• 1

• 2

• 3

• 4

The sum of three consecutive multiples of 2 is 18. Find the numbers.

• 4,6,8

• -4,-6,-8

• 6,8,10

• None of the above

A man travelled two-fifth of his journey by train, one-third by bus, one-fourth by car and the remaining 3 km on foot. What is the length of his total journey?

• 100 km

• 120 km

• 150 km

• 180 km

Each of the 2 equal sides of an isosceles triangle is twice as large as the third side. If the perimeter of the triangle is 30 cm, find the length of equal sides of the triangle.

• 12 m

• 10 cm

• 12 cm

• 10 m

The present age of a son is half the present age of his father. Ten years ago, the father was thrice as old as his son. What is the present age of father?

• 10 years

• 20 years

• 40 years

• 80 years

If one-third of a number exceeds its one-fourth by 1, find the number.

• 12

• -12

• 10

• -10