A) 23, 13
B) 23, 15
C) 40, 8
D) 21, 15
Correct Answer: B
Solution :
(b): Let the two numbers be x and y. Given that, \[\left( x+1 \right)+\left( y+1 \right)=40\Rightarrow x+y=38\] Also, \[\left( x-1 \right)-\left( y-1 \right)=8\Rightarrow x-y=8\] Adding Eqs. (1) and (2), we get, \[2x=46\Rightarrow x=23\] Substituting x = 23 in any of the Eqs. (1) and (2) we get y = 15 \[\therefore \] The two numbers are 23 and 15.You need to login to perform this action.
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