A) 165
B) 166
C) 178
D) 158
E) None of these
Correct Answer: E
Solution :
Let the number be\[x\]. \[\therefore \]\[x+{{19}^{2}}={{23}^{2}}\] \[\Rightarrow \]\[x={{23}^{2}}-{{19}^{2}}\] \[=(23+19)(23-19)=42\times 4=168\]You need to login to perform this action.
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