The document Multiple Choice Questions- Linear Equations in One Variable Class 8 Notes | EduRev is a part of the Class 8 Course Class 8 Mathematics by Full Circle.

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**1.** In the equation transposing 5/2 to RHS, we get:

(i)

(ii)

(iii)

(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.** then which of the following correct?

(i)

(ii)

(iii)

(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 then which of the following is the value of x?

(i) 10

(ii) –10

(iii) -8/5

(iv) 8/5

**6.** In the sum of two consecutive numbers is 71 and one of them being x, then which of the following is the other number?

(i) x + (x + 1) = 71

(ii) x + (x + 2) = 71

(iii) x + x = 71

(iv) none of these

**7. **Two years ago my age was ‘x’ years 5 years ago my age was?

(i) (x + 7) years

(ii) (x – 2 – 5) years

(iii) (x – 5) years

(iv) (x – 3) years

**8.** 10 years ago I was ‘x’ years old. After 10 years, my age will be:

(i) (x + 20) years

(ii) (x – 20) years

(iii) (x + 10) years

(iv) (x –10) years

**9.** If the difference of two consecutive numbers is 15 and the 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, then which of the following is the next odd number is?

(i) x + 1

(ii) x + 2

(iii) x – 1

(iv) x – 2

**ANSWERS**

**1. **(iii)

**2.** (ii)

**3.** (i)

**4.** (iii)

**5.** (i)

**6. **(i)

**7.** (iv)

**8.** (i)

**9.** (iv)

**10. **(i)

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