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If P denotes '-:', Q denotes 'xx', R den...

If P denotes `'-:'`, Q denotes `'xx'`, R denotes '+' and S denotes '-', then
`18 Q 12 P 4 R 5 S 6 =?`

A

(a) 53

B

(b) 59

C

(c) 63

D

(d) 65

Text Solution

Verified by Experts

The correct Answer is:
A
Using the correct symbols, we have
`18Q 12P 4R 5S 6`
`18xx12-:4+5-6`
`=18xx3+5-6`
`=54+5-6=59-6=53`
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ARIHANT PUBLICATION-MATHEMATICAL OPERATIONS AND SYMBOL NOTATIONS-Let us Practice (A. Base Level Exercise )
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  2. If Q means '+', J means 'xx', T means '-' and K means '-:', then 30 ...

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  3. If P denotes '-:', Q denotes 'xx', R denotes '+' and S denotes '-', th...

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  4. Select the correct combination of mathematical signs to replace ** sig...

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  5. If the given interchanges are made in signs and numbers. which one of ...

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  6. If the given interchanges are made in signs and numbers. which one of ...

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  7. If the given interchanges are made in signs and numbers. which one of ...

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  8. If the given interchanges are made in signs and numbers. which one of ...

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  9. Select the correct combination of mathematical signs to replace ** sig...

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  10. Correct the following equations by interchanging the two signs. 3-9x...

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  11. Correct the following equations by interchanging the two signs. 4xx2...

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  12. Correct the following equations by interchanging the two signs. 5xx1...

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  13. Correct the following equations by interchanging the two signs. 16-2...

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  14. Correct the following equations by interchanging the two signs. 15-:...

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  15. Correct the following equations by interchanging the two signs. 51-:...

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  16. Correct the following equations by interchanging the two signs. 16+4...

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  17. Correct the following equations by interchanging the two signs. 3^(2...

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  18. In the following questions. which one of the four interchanges in sign...

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  19. In the following questions. which one of the four interchanges in sign...

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  20. In the following questions. which one of the four interchanges in sign...

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