Aptitude Question: Download Questions PDF
x, y, and z are odd number not necessarily in sequence then y=?
Mean of x and z is 114 and mean of y and z is 113?
Answer:
here; (X+Z)/2=114;
(Y+Z)/2=113; from these 2 eq. we have X-Y=2;
therefore suppose that X=2n-1 any odd no. where n=1,2,3.........
y=2n-3 we have to choose Z such that n should be real no.
suppose z=2n-7; therefore (X+Z)/2=114; (2n-1 + 2n-7)/2=114; solving this we get n=59; Y= 115
(Y+Z)/2=113; from these 2 eq. we have X-Y=2;
therefore suppose that X=2n-1 any odd no. where n=1,2,3.........
y=2n-3 we have to choose Z such that n should be real no.
suppose z=2n-7; therefore (X+Z)/2=114; (2n-1 + 2n-7)/2=114; solving this we get n=59; Y= 115
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