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If (3 xx 5) means (3 ^(3) -5) and (9+6) ...

If `(3 xx 5)` means `(3 ^(3) -5) and (9+6)` means `(sqrt9 - 6),` then the value of `5 xx ( 64 +1)` is :

A

35

B

132

C

325

D

118

Text Solution

Verified by Experts

The correct Answer is:
D
Using the symbols correctly as given in the question, we get
`(64 + 1) = sqrt64 -1 = 8 -1 = 7`
`5 xx (64 +1) = 5 xx 7 = 5 ^(3) - 7`
`= 125 - 7 = 118`
Thereore, the value of the given expression = 118.
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LUCENT PUBLICATION-MATHEMATICAL OPERATIONS -EXERCISE-1
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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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