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If + means - , × means ÷ , ÷ means ...

If + means - , × means ÷ , ÷ means × and - means + , then 3 × 9 + 4 ÷ 3 − 10 = ?

A

1. 25

B

2. 32

C

3. 24

D

4. 38

Text Solution

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The correct Answer is:
B
The given expression is `(3 - 15 div 19) xx 8 + 6` Using the symbols correctly as given in the above question, the above expression become `(3 xx 15 + 19) div 8 -6`
Using BODMAS RULE, we get
`64 + 8-6 = 8-6 =2`
Therefore, the value of the given expression =2
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LUCENT PUBLICATION-MATHEMATICAL OPERATIONS -EXERCISE-3
  1. If + means - , × means ÷ , ÷ means × and - means + , then 3 × 9...

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  2. In each of the following questions, the given equation becomes correct...

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  3. In each of the following questions, the given equation becomes correct...

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  4. In each of the following questions, the given equation becomes correct...

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  5. In each of the following questions, the given equation becomes correct...

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  6. In each of the following questions, the given equation becomes correct...

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  7. In each of the following questions, the given equation becomes correct...

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  8. In each of the following questions, if the given interchanges are made...

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  9. In each of the following questions, if the given interchanges are made...

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  10. In each of the following questions, if the given interchanges are made...

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  11. In each of the following questions, if the given interchanges are made...

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  12. In each of the following questions, the two expressions on either side...

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  13. In each of the following questions, the two expressions on either side...

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  14. In each of the following questions, the two expressions on either side...

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  15. In each of the following questions, the two expressions on either side...

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  16. In each of the following questions, the two expressions on either side...

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  17. In each of the following questons , which one of the four interchanges...

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  18. In each of the following questons , which one of the four interchanges...

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  19. In each of the following questons , which one of the four interchanges...

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  20. In each of the following questons , which one of the four interchanges...

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  21. In the following questions , the equations have become wrong because o...

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