Mathematical Operations Online Quiz


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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.

Questions and Answers

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

Q 1 - 45 + 65 + 35 + 65 - 10

Options :

A - -110

B - -118

C - -117

D - 109

Answer : A

Explanation

45 - 65 - 35 - 65 + 10 = -110. Hence option A 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 - 71 + 72 + 73 - 84

Options :

A - 154

B - 156

C - 178

D - 189

Answer : A

Explanation

By changing the numbers, we get 82 + 83 + 84 - 95 = 154.

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

Q 3 - (105 × 7)/15

Options :

A - 225

B - 220

C - 555

D - 222

Answer : A

Explanation

(105/7) × 15 = 15 × 15 = 225

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

Q 4 - 55 - 67 - 68 - 69

Options :

A - 359

B - 459

C - 987

D - 259

Answer : D

Explanation

55 + 67 + 68 + 69 = 259.

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 - 1284 + 1289 + 3011

Options :

A - 8907

B - 8976

C - 8977

D - 7666

Answer : A

Explanation

2395 + 2390 + 4122 = 8907.

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

Q 6 - 5 - 3 + 4 × /1 = 0

Options :

A - + and ×

B - + and –

C - – and ×

D - + and /

Answer : B

Explanation

By making changes as suggested in option B, 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 7 - 50/50 + 50 × 50 - 50 = 50

Options :

A - + and –

B - + and ×

C - × and /

D - + and /

Answer : D

Explanation

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

Directions for questions − If

‘+’ = ’×’

‘-‘ = ’+’

‘×’ = ’/’

’/’ = ‘-‘

Then answer the following questions based on this information

Q 8 - 27 × 9/3 + 3 - 4 =

Options :

A - 1

B - 2

C - -2

D - 0

Answer : C

Explanation

Replacing symbols the result will be -2.

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

Q 9 - 17/5 + 2 - 2 + 12 = 24

Options :

A - – and +

B - – and ×

C - – and /

D - None of these

Answer : C

Explanation

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

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

Q 10 - 23 + 7 - 7 + 8 + 4 - 6

Options :

A - 34

B - 98

C - 17

D - 27

Answer : C

Explanation

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

reasoning_mathematical_operations.htm
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