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If '+' stands for 'division', '+' stands...

If '+' stands for 'division', '+' stands for 'multiplication', 'x' stands for 'subtraction','-'stands for 'addition', which one of the following is correct?

A

`18 div 6 x 7 +5-2= 22 `

B

`18 xx 6 + 7 div5-2= 16 `

C

`18 div 6 - 7 + 5 xx2 = 20`

D

`18 +6 div 7xx 5-2 = 18`

Text Solution

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The correct Answer is:
D
Using the symbols correctly as givne in the above question , in (d) , we get `18 div 6 xx 7 - 5 + 2`
Using BODMAS RULE, we get
`3 xx 7 - 5 + 2 = 21 - 5 + 2 = 23 - 5 = 18`
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LUCENT PUBLICATION-MATHEMATICAL OPERATIONS -EXERCISE-1
  1. If xx means +, + means div, - means xx and div means -, then 8xx 7 - ...

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  2. If '+' means 'ninus', 'xx' means divide by ','÷' means 'plus' and '-' ...

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  3. If '+' means '-','-' means 'xx''div' means '+' and 'xx' means 'div', t...

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  4. If P 'dividion , T means addition, M means 'subtraction and D means 'm...

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  5. If Q means 'add to', J means 'multiply by', T means 'subtract from' an...

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  6. If $ means +, # means -, @means x and * means div , then what is the ...

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  7. If'+' means 'divided by','-'means 'add','x'means 'minus' and '/' means...

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  8. If '+' stands for 'division', '+' stands for 'multiplication', 'x' sta...

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  9. If 'to' stands for 'addition,'larr' stnds for 'subtraction', 'uarr' st...

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  10. In the imaginary language, the digits 0,1,2,3,4,5,6,7,8 and 9 are subs...

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  11. In the imaginary language, the digits 0,1,2,3,4,5,6,7,8 and 9 are subs...

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  12. In the imaginary language, the digits 0,1,2,3,4,5,6,7,8 and 9 are subs...

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  13. In the imaginary language, the digits 0,1,2,3,4,5,6,7,8 and 9 are subs...

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  14. If (3 xx 5) means (3 ^(3) -5) and (9+6) means (sqrt9 - 6), then the va...

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  15. If 4 xx 7 means sqrt4 div 7 ^(2) and (4 + 1) mens 4 ^(2) -1 ^(3), then...

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  16. If -1xx 3 means -1 ^(3) div 3 ^(2) and ( 2 +3) means 2 ^(3) -3 ^(3), t...

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  17. If 3-2 means 3 ^(2) xx 2 ^(2) and (8 +2) means 8^(2) div 2 ^(4), then...

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  18. If 4 -2 means (1)/(4) div 2 and (4 +3) mens 4 xx 3, then the value of ...

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  19. If 5 div 8 means 5 xx sqrt8 and (4 +5) means 4 ^(2) - 5, then the val...

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  20. If 5 xx 8 means 5 div 8 (1)/(3)and (4-15) means 4 ^(3) + 15, then find...

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