Simple Equations Test

Result

Simple Equations Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is a solution for equation 2x + 3 = 5?

A
x = 0

B
x = 1

C
x = 2

D
x = 3

Solution

Given equation: 2x + 3 = 5

Putting x = 1 in LHS,

LHS = 2 × 1 + 3

= 5

= RHS

As both the sides of equation are equal, x = 1 is a solution for the equation.
Question 2
1 / -0

Solve for x: 2x - 2 = x + 4

A
x = 4

B
x = 5

C
x = 6

D
x = 7

Solution

Given Equation: 2x - 2 = x + 4

Adding 2 on both the sides, we get,

2x – 2 + 2 = x + 4 + 2

2x = x + 6

Subtracting x from both the sides, we get,

2x – x = x + 6 – x

x = 6

Hence, C is the correct answer.
Question 3
1 / -0

Write the following statement in the form of an equation.

The sum of 3 times x and 11 is 32.

A
3(x + 11) = 32

B
3x + 11 = 32

C
3x – 11 = 32

D
3x = 11 + 32

Solution

3 times x is 3x

Sum of 3 times x and 11 is (3x + 11)

Now, this equals to 32

Therefore,

3x + 11 = 32

Hence, B is the correct answer.
Question 4
1 / -0

Which of the following is an equation?

A
2x – 5 > 20

B
4x + 2

C
7y – 3 = 20

D
All the above

Solution

In short, an equation is a condition on a variable. The condition is that two expressions should have equal value. Note that at least one of the two expressions must contain the variable.

It includes equal to sign.

From the options, C is an equation.

Hence, C is a correct answer.
Question 5
1 / -0

Which of the following is a solution for equation 4p – 3 = 13?

A
p = 0

B
p = 1

C
p = 2

D
p = 4

Solution

Given Equation: 4p – 3 = 13

Putting x = 4 in LHS, 4 × 4 – 3 = 16 – 3

= 13

Which equals to RHS

Therefore, x = 4 is a solution for equation 4p – 3 = 13.

Hence, D is the correct answer
Question 6
1 / -0

Write the correct statement for the equation given below:

6p – 6 = 60

A
The sum of six times p and 6 equals to 60.

B
Six times 6 equals the difference between 60 and 6.

C
Six times 6 equals the difference between 60 and 6.

D
If you take 6 times p from 6, you get 60.

Solution

Given Equation: 6p – 6 = 60

We can see that 6 is taken from 6 times 6 to get 60.

Hence, C is the correct answer.
Question 7
1 / -0

Form the equation for the following:

The teacher tells the class that the highest marks obtained by a student in her class are twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)

A
2l + 7 = 87

B
l + 7 = 87

C
2l – 7 = 87

D
2l = 7 + 87

Solution

Let the lowest marks = l

Twice of the lowest marks is 2l

Twice the lowest marks plus 7 is 2l + 7

Highest marks = 87

Therefore,

2l + 7 = 87

Hence, A is the correct answer.

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Simple Equations Test - 4

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Simple Equations Test - 4

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SHARING IS CARING

Question 1

x = 0

x = 1

x = 2

x = 3

Solution

Question 2

x = 4

x = 5

x = 6

x = 7

Solution

Question 3

3(x + 11) = 32

3x + 11 = 32

3x – 11 = 32

3x = 11 + 32

Solution

Question 4

2x – 5 > 20

4x + 2

7y – 3 = 20

All the above

Solution

Question 5

p = 0

p = 1

p = 2

p = 4

Solution

Question 6

The sum of six times p and 6 equals to 60.

Six times 6 equals the difference between 60 and 6.

Six times 6 equals the difference between 60 and 6.

If you take 6 times p from 6, you get 60.

Solution

Question 7

2l + 7 = 87

l + 7 = 87

2l – 7 = 87

2l = 7 + 87

Solution

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