Mental Maths Level V

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| By Hasiba.shakil

Hasiba.shakil

Community Contributor

Quizzes Created: 1 | Total Attempts: 206

Questions: 5 | Attempts: 206 | Updated: Apr 20, 2023

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Questions and Answers

1.

The missing number is:
- A.
  
  7.95
- B.
  
  7.59
- C.
  
  7.34
Correct Answer
A. 7.95
2.

Which of the following number line shows 4 ones and 3 tenths.
- A.
- B.
- C.
Correct Answer
C.

Explanation
The number line that shows 4 ones and 3 tenths would be the one where there are 4 tick marks representing whole numbers and 3 tick marks representing tenths evenly spaced between the whole numbers.

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3.

The missing number is:
- A.
  
  0.80
- B.
  
  0.30
- C.
  
  0.12
Correct Answer
B. 0.30

Explanation
In the given sequence, each number is obtained by multiplying the previous number by 0.4. Starting with 0.80, the next number is obtained by multiplying 0.80 by 0.4, resulting in 0.32. However, the given sequence does not include 0.32, but instead includes 0.30. Therefore, 0.30 is the missing number in the sequence.

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4.

66 + (7 x 10)
- A.
  
  136
- B.
  
  730
- C.
  
  667
Correct Answer
A. 136

Explanation
The given expression involves addition and multiplication. According to the order of operations, multiplication should be done before addition. So, first, we multiply 7 by 10 which gives us 70. Then, we add 66 to 70, resulting in 136. Therefore, the correct answer is 136.

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5.

The pair of numbers, when added gives the total 6.
- A.
  
  -3 and 3
- B.
  
  -9 and 3
- C.
  
  -3 and 9
Correct Answer
C. -3 and 9

Explanation
The pair of numbers that when added gives the total 6 is -3 and 9. When we add -3 and 9, we get 6.

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Current Version
Apr 20, 2023

Quiz Edited by
ProProfs Editorial Team
Jun 25, 2020

Quiz Created by
Hasiba.shakil

Mental Maths Level V

The missing number is:

Which of the following number line shows 4 ones and 3 tenths.

The missing number is:

66 + (7 x 10)

​​​​​​​The pair of numbers, when added gives the total 6.

The pair of numbers, when added gives the total 6.