Q111
(55.25)2 - 637.5625 = ?
A.
25.25
B.
625
C.
1375
D.
2415
AnswerE.
None of these
Answer: Option D
Solution
Answer: Option D
Solution:
Given expression :(55.25)2 - (25.25)2
= (55.25 + 25.25) (55.25 - 25.25)
= 80.5 × 30
= 2415