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52
M: +1.00/-0.00

What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

(39.99)2 – (9.9)2 - (15.1)2 = ?

[IBPS PO PRELIMS 14 OCT 2018 G]
A
B
C
D
E