A) 425
B) 1625
C) 4125
D) 2541
Correct Answer: C
Solution :
The rule is: \[2\,\,1\,\,3={{2}^{2}}\,1\,\,{{3}^{2}}=4\,\,1\,\,9;3\,2\,2\] \[={{3}^{2}}\,2\,\,{{2}^{2}}=924;\] \[415={{4}^{2}}\,1\,\,{{5}^{2}}=16\,\,1\,\,25\] \[\therefore \] \[2\,\,1\,\,5={{2}^{2}}\,1\,\,{{5}^{2}}=4\,\,1\,\,2\,5\]
You need to login to perform this action.
You will be redirected in
3 sec
