Do You Know Maths?

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| By Antonio1999

Antonio1999

Community Contributor

Quizzes Created: 2 | Total Attempts: 3,175

Questions: 5 | Attempts: 2,745 | Updated: Jul 22, 2024

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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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12
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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9
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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3
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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7

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Current Version
Jul 22, 2024

Quiz Edited by
ProProfs Editorial Team
May 01, 2010

Quiz Created by
Antonio1999

Do You Know Maths?

(8x7)+872-52=?

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

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?

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

What is the value of 7 + 5 × 2?