LINEAR EQUATIONS CLASS 8-QUIZ 1

If 8x – 3 = 25 + 17x, then x is

• a fraction

• an integer

• a rational number

• Cannot be solved

The value of x, for which the expressions 3x – 4 and 2x + 1 become equal, is

• -3

• 0

• 1

• 5

A linear equation in one variable has

• only one solution

• two solutions

• more than two solutions

• no solution

The digit in the ten’s place of a two-digit number is 3 more than the digit in the unit’s place. Let the digit at unit’s place be b. Then, the number is

• 11b+30

• 10b+ 30

• 11 b + 3

• 10b + 3

Arpita’s present age is thrice of Shilpa. If Shilpa’s age three years ago was x, then Arpita’s present age is

• 3 (x – 3)

• 3x + 3

• 3x – 9

• 3(x + 3)

The sum of three consecutive multiples of 7 is 357. Find the smallest multiple.

• 112

• 126

• 119

• 116

After 18 years, Swarnim will be 4 times as old as he is now. His present age is

• 6 years

• 12 years

• 18 years

• 24 years

Shikha’s present age is p years. Reemu’s present age is 4 times the present age of Shikha. After 5 years, Reemu’s age will be 15p years. True or False.

• True

• False

What is the value of x: 0.4(3x-1)=0.5x +1

• 2

• 3

• 4

• 5

Solve for t: 4t-3-(3t+1)=5t-4

• 0

• 1

• 2

• 3