If x*y=x2 + y2 – xy, then the value of 9*11 is:

1.  93

2.  103

3.  113

4.  121

View Answer  
4
Correct Answer :

103


Explanation :
No Explanation available for this question

if a *b = ab/a+b, find the value of 3 x(3*-1)

1.   -3

2.  -1.5

3.  -1

4.  2/3

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4
Correct Answer :

-3


Explanation :
No Explanation available for this question

If a*b – 2a – 3b + ab, then 3*5 + 5*3 is equal to:

1.   22

2.  24

3.  26

4.  28

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4
Correct Answer :

22


Explanation :
No Explanation available for this question

If x ⊕ y = x2 + 2y, what is the value of p if 4⊕ (3⊕p)-50

1.   4

2.  7

3.  8

4.  12.5

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

If a* b * c means a+b/c for all numbers except 0, then (a * b * c)* a * b is equal to :

1.   0

2.  1

3.  a + b + ac/bc

4.  a+ b+ ac/bc

5.  ab + bc + ca/ a + b + c

View Answer  
5
Correct Answer :

a+ b+ ac/bc


Explanation :
No Explanation available for this question

7 is added to a certain number: the sum is multiplied by 5; the product is divided by 9 and 3 is subtracted from the quotient. The remainder left is 12.The number is:

1.  20

2.  30

3.  40

4.  60

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4
Correct Answer :

20


Explanation :
No Explanation available for this question

The value ofis:

1.  20/169

2.  1

3.  5/4

4.  

View Answer  
4
Correct Answer :

5/4


Explanation :
No Explanation available for this question

1.  39/48

2.  

3.  169/144

4.   None of these

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4
Correct Answer :

None of these


Explanation :
No Explanation available for this question

1.  7/17

2.  

3.  8

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

1.  1

2.  2

3.  8

4.  None of these

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question
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