Linear Equations in One Variable

This is an MCQ-based quiz on Linear Equations in One Variable.

This includes consecutive integers, constants, and variables.

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The standard form of a linear equation in one variable x is

ax + b = 0 ax² + bx + c = 0 ax³ + bx² + cx + d = 0 ax4 + bx³ + cx² + dx + e = 0.

The degree of the equation x² – 2x + 1 = x² – 3 is

1 2 0 3.

If 15 is subtracted from a number, it becomes -5. This statement in the form of an equation is

x + 15 = -5 x – 15 = 5 x + 15 = 5 x – 15 = -5.

If 9 is added to a number, it becomes 25. This statement in the form of an equation is

x + 9 = 25

x – 9 = 25

9x = 25

None

The statement ‘on adding 10 in a number, the number becomes 20’ in the form of an equation is

x – 10 = 20

x + 10 = 20

10x = 20

None

Sum of two numbers is 95. If one exceeds the other by 15, find the numbers.

40 and 60 50 and 55 50 and 60 40 and 55

The sum of two digit number and the number formed by interchanging its digit is 110. If ten is subtracted from the first number, the new number is 4 more than 5 times of the sum of the digits in the first number. Find the first number.

46 48 64 84

The difference between two whole numbers is 66. The ratio of the two numbers is 2 : 5. What are the two numbers?

22 and 88 44 and 66 44 and 110 33 and 99

Which of the following is not a linear equation in one variable?

33 33(x+y) 33x 33y

The solution of 2x-3=7 is:

5 7 12 11

The solution of 2y + 9 = 4 is:

9/2 4/9 -⅖ -5/2

The solution of y/5 = 10 is:

15 10 50 5

What should be added to -7/3 to get 3/7?

21/58 58/21 47/21 50/21

In equation 3x + 4 = 10, by transposing the variable on RHS we get ________

-4 = 10 – 3x 4 = 3x + 10 4 = -3x + 10 -4 = – 3x – 10

Solve equation 7x + 14 = 21 to find value of x.

x = 1 x =-1 x = 2 x = -2

Pick the equation from the given one’s which have solution as z = 2.

2z -2 = 3 3z -2 = -2 3z -3 = 3 4z + 3 = 3

Solve: 16 = 3m – 2.

m = -5 m = 5 m = 6 m = -6

If Malik has 3 coins and his sister has 4 coins each of 2 rupees, what will be the sum of amount both have?

14 rupees 13 rupees 12 rupees 7 rupees

Amina thinks of a number and subtracts 5/2 from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the number?

None of these

The digits of a two-digit number differ by 3. If the digits are interchanged, and the resulting number is added to the original number, we get 143. What can be the original number?

Quiz/Test Summary

Title: Linear Equations in One Variable

Questions: 20

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