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11 Jun 2024, 07:45
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Not X: x (Multiplication)
Not Y: / ( Division)
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
74% (01:40) correct
26%
(02:00)
wrong
based on 692
sessions
History
Date
Time
Result
Not Attempted Yet
25 X A = 1
5 Y B = 25
The above equations are true, where X and Y are mathematical operations, and A and B are integers.
Select for Not X the mathematical operation that cannot be substituted in place of X, and select for Not Y the mathematical operation that cannot be substituted in place of Y. Make only two selections, one for each column.
5 Y B = 25
The above equations are true, where X and Y are mathematical operations, and A and B are integers.
Select for Not X the mathematical operation that cannot be substituted in place of X, and select for Not Y the mathematical operation that cannot be substituted in place of Y. Make only two selections, one for each column.
| Not X | Not Y | |
| + (Addition) | ||
| - ( Subtraction) | ||
| / ( Division) | ||
| x (Multiplication) | ||
| ^ ( Exponent) |
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Official Answer
Not X: x (Multiplication)
Not Y: / ( Division)
11 Jun 2024, 20:42
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chetan2u
Is the answer: Not X: x (multi); Not Y: / (Division)?
Since integers can be positive nor negative, addition or substraction will work; exponent can work for both (A=0, B=2).
27 Jun 2024, 12:54
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25 X (which is a math operator) A=1 ,
try to substitute X with each math operator with A, which could be any integer only
+ : 25 + (-25) = 1, OK, X can be substitute with +
-: 25- 25 = 1 , OK, X can be substitute with +
/ : 25/25 =1 , OK, X can be substitute with +
*: 25 * (1/25) =1 not OK, cannot be substitute with multiple signs since A can only be an integer.
^: 25^0= 1 OK, X can be substitute with +
So the answer should be Multiplication for Not X.
try to substitute X with each math operator with A, which could be any integer only
+ : 25 + (-25) = 1, OK, X can be substitute with +
-: 25- 25 = 1 , OK, X can be substitute with +
/ : 25/25 =1 , OK, X can be substitute with +
*: 25 * (1/25) =1 not OK, cannot be substitute with multiple signs since A can only be an integer.
^: 25^0= 1 OK, X can be substitute with +
So the answer should be Multiplication for Not X.
