# Mathematical Operations Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Mathematical Operations. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz. In the given question if + means -, × means /, - means + and / means × then find out the answer of the following question.

Q 1 - 23 + 7 - 7 + 8 + 4 - 6

Options :

A - 34

B - 98

C - 17

D - 27

### Explanation

23 - 7 + 7 - 8 - 4 + 6 = 17. So option C is correct.

If 0 is to be replaced by 1, 1 is replaced by 2……. 7 is replaced by 8 and 8 is replaced by 9 and 9 is replaced by 0. Then answer the following question.

Q 2 - 101 + 102 + 164 - 155

Options :

A - 435

B - 433

C - 434

D - 456

### Explanation

212 + 213 + 275 - 266 = 434.

If 0 is written as *

1 is written as .

2 is written as .*

3 is written as ..

4 is written as .** answer the following

Q 3 - Which of the following will represent the value of the expressions 5 × 8/2= ?

Options :

A - **..

B - **…

C - ..*..

D - .*.**

### Explanation

.*.** = 16 + 0 + 4 + 0 + 0 = 20.

If + means -, × means /, - means + and / means × then find out the answer of the following question.

Q 4 - (52 × 13)/4

Options :

A - 18

B - 17

C - 16

D - 10

### Explanation

(52/13) × 4 = 4 × 4 = 16.

If 0 is to be replaced by 1, 1 is replaced by 2……. 7 is replaced by 8 and 8 is replaced by 9 and 9 is replaced by 0. Then answer the following question.

Q 5 - 136 × 19

Options :

A - 7654

B - 4323

C - 4940

D - 4325

### Explanation

247 × 20 = 4940

Directions for question − If

‘+’ = ’×’

‘-‘ = ’+’

‘×’ = ’÷’

’÷’ = ‘-‘

Then answer the following question based on this information.

Q 6 - 24 × 4 - 3 + 5 ÷ 1 =

Options :

A - 10

B - 12

C - 15

D - 20

### Explanation

Replacing the symbols the result will be 20.

Find out the two signs to be interchanged for making the equation correct

Q 7 - 19/1 + 3 - 3 × 18 = 36

Options :

A - – and +

B - – and ×

C - – and /

D - / and +

### Explanation

By making changes as suggested in option C, we will get the solution as given on the RHS side.

Find out the two signs to be interchanged for making the equation correct

Q 8 - 55 × 3 + 7/1 - 7 = 101

Options :

A - – and ×

B - – and +

C - – and /

D - None of the above

### Explanation

By making changes as suggested in option A, we will get the solution as given on the RHS side.

Give interchanges −

Q 9 - Signs + and - and numbers 2 and 5

Options :

A - 5 - 7 + 2/1 = 4

B - 5 + 7 - 2/1 = 4

C - 7 - 5 + 2/1 = 3

D - 7 - 5 + 1/2 = 3

### Explanation

By interchanging the required parameters in option A, we will get 4.

In the given question if + means -, × means /, - means + and / means × then find out the answer of the following question.

Q 10 - 45 + 65 + 35 + 65 - 10

Options :

A - -110

B - -118

C - -117

D - 109