Discussion
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- Question
- 16 + 4 ÷ 2 - 21 x 7 = 21
Options- A. + and -
- B. + and x
- C. - and ÷
- D. x and ÷
- Correct Answer
- x and ÷
ExplanationIf we interchange the signs 'x' and '÷' the equation becomes
16 + 4 x 2 - 21 ÷ 7 = 16 + 8 - 3 = 21 - 1. 51 ÷ 3 x 12 - 6 + 3 = 201
Options- A. + and ÷
- B. - and +
- C. x and ÷
- D. - and x Discuss
- 2. 15 ÷ 9 x 3 - 74 + 2 = 5
Options- A. + and -
- B. ÷ and x
- C. + and ÷
- D. - and ÷ Discuss
- 3. 16 - 21 ÷ 7 x 6 + 3 = 31
Options- A. - and +
- B. + and x
- C. ÷ and +
- D. ÷ and x Discuss
- 4. 5 x 15 ÷ 7 - 20 + 4 = 77
Options- A. - and +
- B. x and ÷
- C. + and ÷
- D. + and x Discuss
- 5. 4 x 2 + 6 ÷ 2 - 12 = 2
Options- A. ÷ and x
- B. + and -
- C. x and +
- D. ÷ and - Discuss
- 6. 3 2 x 2 2 ÷ (6 2 - 9) + 1 2 = 33
Options- A. - and ÷
- B. + and x
- C. x and ÷
- D. + and - Discuss
- 7. 4 x 6 - 2 = 14
Options- A. x to ÷, 2 and 4
- B. - to +, 2 and 6
- C. x to +, 4 and 8
- D. - to ÷, 2 and 6 Discuss
- 8. (3 ÷ 4) + 2 = 2
Options- A. + and ÷, 2 and 4
- B. + and -, 3 and 4
- C. + and ÷, 2 and 3
- D. None of the above Discuss
- 9. (6 ÷ 2) x 3 = 0
Options- A. x to -, 2 and 6
- B. ÷ and x, 2 and 3
- C. x to -, 2 and 3
- D. ÷ and x, 2 and 6 Discuss
- 10. 2 ? 7 ? 4
Options- A. 9
- B. 3
- C. 13
- D. 10 Discuss
Mathematical Operations problems
Search Results
Correct Answer:
Explanation:
None of the interchange is applicable in the equation to produce number 201
Correct Answer: + and ÷
Explanation:
If we interchanges signs '+' and '÷', then the equation changes into
15 + 9 x 3 - 74 ÷ 2 = 15 + 27 - 37 = 5
Correct Answer: + and x
Explanation:
If we interchange of signs '+' and 'x', then the equation changes into
16 - 21 ÷ 7 + 6 x 3 = 16 - 3 + 18 = 31
Correct Answer: + and ÷
Explanation:
If we interchanges signs '+' and '÷', then the equation changes into
5 x 15 + 7 - 20 ÷ 4 = 5 x 15 + 7 - 5 = 77
Correct Answer: ÷ and x
Explanation:
If we interchanges signs '÷' and 'x', then the equation changes into
4 ÷ 2 + 6 x 2 - 12 = 2 + 12 - 12 - 2
Correct Answer: - and ÷
Explanation:
If we interchange symbols '-' and '÷', the equation becomes
9 x 4 - (36 ÷ 9) + 1
= 9 x 4 - 36/9 + 1
= 36 - 4 + 1
= 33
Correct Answer: - to +, 2 and 6
Explanation:
On interchanging '-' to '+' and 2 to 6
4 x 2 + 6 = 14
? 8 + 6 = 14
? 14 = 14
Correct Answer: + and ÷, 2 and 3
Explanation:
On interchanging signs '+' to '÷' and 2 to 3
(2 + 4) ÷ 3 = 2
? 6 ÷ 3 = 2 ? 2 = 2
Correct Answer: x to -, 2 and 3
Explanation:
On interchanging signs 'x' to '-' and 2 to 3
(6 ÷ 3) - 2 = 0
? 2 - 2 = 0
? 0 = 0
Correct Answer: 10
Explanation:
Given, 2 ? 7 ? 4
After interchanging the signs,
2 x 7 - 4
Apply the BODMAS Rule
2 x 7 - 4 = 14 - 4 = 10.
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