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Question : 99 of 200
Marks:
+1,
-0
Solution:
(21.98)2 ~ (22)2
(25.02)2 ~ (25)2
and (13.03)2 ~ (13)2
The equation will becomes
222 – 252 + 132 = ?
484 – 625 + 169 = ?
653 – 625 = ?
? = 28 so the nearest value is 25
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