(55.25)2 - 637.5625 = ?
A. 25.25
B. 625
C. 1375
D. 2415
E. None of these
Answer: Option D
Solution(By Examveda Team)
Given expression :(55.25)2 - (25.25)2
= (55.25 + 25.25) (55.25 - 25.25)
= 80.5 × 30
= 2415
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