Algebra Test

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Algebra Test - 7

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Weekly Quiz Competition

Question 1
1 / -0

The product of a calculation is 230. This calculation is made by multiplying a certain number with 15 and then adding 5 to the product. Find the number.

A
21

B
15

C
14

D
13

Solution

Let the number be x.

According to the question,
15x + 5 = 230
15x = 230 - 5

15x = 225
x = 225/15
So, x = 15
Question 2
1 / -0

Find the equation which suits the given statement.

Half of length l and twice of breadth b is equal to 432

A
I/2 + b = 432

B
I/2 + 432 = b

C
I/2 + 2b = 432

D
b/2 + 2l = 432

Solution

According to the question, half of length l and twice of breadth b is equal to 432.

So, I/2 + 2b = 432.
Question 3
1 / -0

Find the number, if 7 times a number gives you 5 less than 430.

A
66.66

B
60.71

C
58.45

D
55.45

Solution

Let the number be X.
According to the question,

7X = 430 - 5
7X = 425

X = 425/7 = 60.71
Question 4
1 / -0

How to write the algebraic expression '2x - 3y' as a statement?

A
Twice of x is more than twice of y.

B
Thrice of x is less than twice of y.

C
Twice of x is less than thrice of y.

D
Twice of x is less than thrice of y.

Solution

'2x - 3y' - Twice of x is less than thrice of y.
Question 5
1 / -0

Area of a square is double its side. Which of the following equations justifies the statement, if L is the side?

A
2 × L²

B
4L²

C
2 × 2

D
2 × L × L

Solution

Area of a square = Side x Side
Where side = L

Area of a square is double its side = (2L)²
So,Area of a square is double its side = 4L²
Question 6
1 / -0

Find the number from the given statement.

8 more than 4 times a number is 126.

A
33

B
27.4

C
29.5

D
31

Solution

Let the number be X.
4X + 8 = 126

4X = 126 - 8
4X = 118

X = 118/4 = 29.5

So, X = 29.5

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Algebra Test - 7

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Algebra Test - 7

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SHARING IS CARING

Question 1

21

15

14

13

Solution

Question 2

I/2 + b = 432

I/2 + 432 = b

I/2 + 2b = 432

b/2 + 2l = 432

Solution

Question 3

66.66

60.71

58.45

55.45

Solution

Question 4

Twice of x is more than twice of y.

Thrice of x is less than twice of y.

Twice of x is less than thrice of y.

Twice of x is less than thrice of y.

Solution

Question 5

2 × L2

4L2

2 × 2

2 × L × L

Solution

Question 6

33

27.4

29.5

31

Solution

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2 × L²

4L²