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If 'xx' stands for '+','lt' for '-','+' ...

If `'xx'` stands for `'+','lt'` for '-','+' for `'-:','gt'` for `'xx','-'` for '=', `'-:'` for `'gt'` and '=' for `'lt'` then state which of the following is true?

A

`3xx4gt2-9+3lt3`

B

`5xx3lt7-:8+4xx1`

C

`5gt2+2=10lt4xx8`

D

`3xx2lt4-:16gt2+4`

Text Solution

Verified by Experts

The correct Answer is:
C
Using the proper symbols in (c ), we get
`5xx2-:2lt10-4+8`
`implies5xx1lt18-4implies5lt14`
which is true
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ARIHANT PUBLICATION-MATHEMATICAL OPERATIONS AND SYMBOL NOTATIONS-Let us Practice (A. Base Level Exercise )
  1. If '-' stands for '-:','+' stands for 'xx','-:' stands for '-' and 'xx...

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  2. Select the correct combination of mathematical signs to replace * sign...

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  3. If 'xx' stands for '+','lt' for '-','+' for '-:','gt' for 'xx','-' for...

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  4. If '-' stands for '-:','+' stands for '-', '-:' stands for 'xx','xx' s...

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  5. Which of the following sets of operation with the usual notations repl...

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  6. If 'P' means '+', 'Q' means 'xx' , 'R' means '-:' and 'S' means '-' th...

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  7. Which of the following interchange of signs would make the given equat...

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  8. If '+' means '-:','-' means '+', 'xx' means '-' and '-:' means 'xx', t...

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  9. If P denotes ÷, Q denotes xx , R denotes + and S denotes -, then what ...

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  10. If '-' stands for 'addition' '-:' for 'multiplication', 'xx' for 'sub...

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  11. If A for '+', M for 'xx', D for '-:', G for 'gt', L for 'lt', then whi...

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  12. If the mathematical signs interchange from - to +,+ to -:,xx to - and ...

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  13. If +, -, xx, -:, =, gt and lt are represented as delta**,gamma,eta,ome...

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  14. Select the correct combination mathematical signs to replace .** signs...

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  15. Find the correct group of signs to solve the equation. 24** 16** 8**3...

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  16. If 'R' means '-:', 'Q' means 'xx' ,'P' means '+', then 1 8 R 9 P 2 Q ...

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  17. If '+' means '-','-' means 'xx','-:' means '+' and 'xx' means '-:', th...

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  18. If Q means '+', J means 'xx', T means '-' and K means '-:', then 30 ...

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

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

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