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Question


If 5 = 2.236, then the value of
5
-
10
+ 125 is equal to:
2
5

Options:
A .  5.59
B .  7.826
C .  8.944
D .  10.062
Answer: Option B


5
-
10
+ 125
=
(5)2 - 20 + 25 x 55
2
5
25



=
5 - 20 + 50
25



=
35
x
5
25
5



=
355
10



=
7 x 2.236
2



= 7 x 1.118



= 7.826



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