# Mental Maths Level V

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| By Hasiba.shakil
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Hasiba.shakil
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Quizzes Created: 1 | Total Attempts: 207
Questions: 5 | Attempts: 207

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• 1.

• A.

7.95

• B.

7.59

• C.

7.34

A. 7.95
• 2.

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

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

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

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

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

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