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Test: Linear Equations in One Variable- 1 - Class 8 MCQ


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10 Questions MCQ Test Mental Mathematics for Class 8 - Test: Linear Equations in One Variable- 1

Test: Linear Equations in One Variable- 1 for Class 8 2024 is part of Mental Mathematics for Class 8 preparation. The Test: Linear Equations in One Variable- 1 questions and answers have been prepared according to the Class 8 exam syllabus.The Test: Linear Equations in One Variable- 1 MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Linear Equations in One Variable- 1 below.
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Test: Linear Equations in One Variable- 1 - Question 1

Form an equation : 5 added to twice a number is 135.

Detailed Solution for Test: Linear Equations in One Variable- 1 - Question 1

2x + 5 = 135

Test: Linear Equations in One Variable- 1 - Question 2

If sum of two numbers is 35 and one of them is 23. Form an equation for finding another number.

Detailed Solution for Test: Linear Equations in One Variable- 1 - Question 2

23 + x = 35

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Test: Linear Equations in One Variable- 1 - Question 3

If 2x + 9 = 47. Find x.

Test: Linear Equations in One Variable- 1 - Question 4

If the length of a rectangle is 5 more than its breadth x. What is the perimeter of the rectangle?

Detailed Solution for Test: Linear Equations in One Variable- 1 - Question 4

4x + 10

Test: Linear Equations in One Variable- 1 - Question 5

How many variables are there in x2 + 4x + 1 = 0?

Detailed Solution for Test: Linear Equations in One Variable- 1 - Question 5

One

Test: Linear Equations in One Variable- 1 - Question 6

What type of number is (2x + 1)? [odd or even].

Test: Linear Equations in One Variable- 1 - Question 7

Sum of two consecutive odd numbers is 56, form an equation.

Detailed Solution for Test: Linear Equations in One Variable- 1 - Question 7

(2x - 1) + (2x + 1) = 56

Test: Linear Equations in One Variable- 1 - Question 8

A train is moving at the speed of x km/hour. What distance will it cover in 15 hours if it stops for 1 hour at two stations?

Detailed Solution for Test: Linear Equations in One Variable- 1 - Question 8

Calculation

- The train is moving for 15 hours.
- It stops for 1 hour at two stations.
- Total time in motion = 15 hours - 2 hours = 13 hours.

Distance covered in motion
- Distance = Speed x Time
- Distance covered in 13 hours = x km/hour x 13 hours = 13x km

Therefore, the distance covered by the train in 15 hours, with stops at two stations, is 13x km. So, the correct answer is option C: 13x km.

Test: Linear Equations in One Variable- 1 - Question 9

I guessed a number x then added 10 to it. Give the expression for double of it.

Detailed Solution for Test: Linear Equations in One Variable- 1 - Question 9

2(x + 10)

Test: Linear Equations in One Variable- 1 - Question 10

Simplify the expression .

Detailed Solution for Test: Linear Equations in One Variable- 1 - Question 10

x

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