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In each of the following questions, the ...

In each of the following questions, the given equation becomes correct due to the interchange of two signs. One of the four options under it specifies the interchange of signs in the equation which when made will make the equation correct. Find the correct option
`5 + 6 div 3 -12 xx 2 = 17`

A

1. `div and xx `

B

2. `+ and xx `

C

3. `+ and div `

D

4. `+and -`

Text Solution

Verified by Experts

The correct Answer is:
A
Interchanging symbols .+. and `.xx.` in the given equation, we get
`5 + 6 xx 3 - 12 div 2 = 17`
Using BODMAS RULE,we get
`5 + 6 xx 3 - 6 = 17`
`or, 5 + 18 - 6 = 17`
` or, 23 - 6 = 17`
or, `17=17` which is true.
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LUCENT PUBLICATION-MATHEMATICAL OPERATIONS -EXERCISE-3
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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, if the given interchanges are made...

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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, the two expressions on either side...

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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 questons , which one of the four interchanges...

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

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