| Directions: What will come in place of question mark (?) in the given questions? [SBI Associate (Clerk) 2014] |
| \[\frac{{{(415+223)}^{2}}+{{(415-223)}^{2}}}{(415\times 415+223\times 223)}=?\] |
A) 2
B) 5
C) 3
D) 6
E) 4
Correct Answer: A
Solution :
| \[\frac{{{(415+223)}^{2}}+{{(415-223)}^{2}}}{415\times 415+223\times 223}=?\] |
| \[\Rightarrow \] \[?=\frac{2\,[{{(415)}^{2}}+{{(223)}^{2}}]}{{{(415)}^{2}}+{{(223)}^{2}}}\] |
| \[\therefore \] \[?=2\] |
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