A) \[1\]
B) \[5\]
C) \[11\]
D) \[24\]
Correct Answer: A
Solution :
\[{{17}^{2}}-{{13}^{2}}=289-169=120\] \[120+1=121={{11}^{2}}\] \[\therefore \] The required number is 1.You need to login to perform this action.
You will be redirected in
3 sec