# Do You Know Maths?

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| By Antonio1999
A
Antonio1999
Community Contributor
Quizzes Created: 2 | Total Attempts: 2,735
Questions: 5 | Attempts: 2,308

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Do you know maths?

Questions and Answers
• 1.

### (8x7)+872-52=?

• A.

856

• B.

876

• C.

857

• D.

I dont know...

• E.

927

Correct Answer
B. 876
Explanation
The given expression (8x7)+872-52 can be simplified by performing the multiplication first, which gives us 56+872-52. Then, we can perform the addition and subtraction in order from left to right, resulting in 928-52. Finally, subtracting 52 from 928 gives us the answer of 876.

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• 2.

### What is the number after number 8 in front of 10-1?

• A.

8

• B.

I dont know...

• C.

9

• D.

10

• E.

7

Correct Answer
C. 9
Explanation
The number after number 8 in front of 10-1 is 9. This can be determined by subtracting 1 from 10, which gives us 9.

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• 3.

### If two apples and three bananas cost \$1, and three apples and two bananas cost \$1.10, what is the cost of one apple and one banana?

• A.

\$0.10

• B.

\$0.42

• C.

\$0.20

• D.

\$0.25

Correct Answer
B. \$0.42
• 4.

### If a rectangle has a length of 8 cm and a width of 5 cm, what is its area?

• A.

13 cm²

• B.

30 cm²

• C.

40 cm²

• D.

48 cm²

Correct Answer
C. 40 cm²
Explanation
To find the area of a rectangle, multiply the length by the width. Here, the length is 8 cm and the width is 5 cm.
So, 8 cm × 5 cm = 40 cm².
Therefore, the area of the rectangle is 40 cm².

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• 5.

### What is the value of 7 + 5 × 2?

• A.

24

• B.

19

• C.

17

• D.

14

Correct Answer
C. 17
Explanation
According to the order of operations (PEMDAS/BODMAS), multiplication is performed before addition. So, the calculation is as follows:
First, multiply 5 by 2 to get 10.
Then, add 7 to 10 to get 17.
Therefore, 7 + 5 × 2 equals 17.

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• Current Version
• Jul 22, 2024
Quiz Edited by
ProProfs Editorial Team
• May 01, 2010
Quiz Created by
Antonio1999

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