21771
Unique Id: 18561
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DIRECTIONS
for the question:
Solve the following question and mark the best possible option.
Defined that x@y = x + y - x
2
y, then 5@(3@1) =
A)
– 125
B)
130
C)
-130
D)
120
E)
None of these
E
We have 5@(3@1) = 5@(3 + 1 – 3
2
(1)) = 5@(- 5) = 5 + (- 5) – 5
2
(- 5) = 125.
Question include in Following Tests :
Functions & Inequalities Level I - 01
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