For two non negative integers x and y 60 % of x + 40 % of y = 1 Then value of (x + y)^3 is

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29 Jan 2010 non negative integers

For two non negative integers x and y
60 % of x + 40 % of y = 1
Then value of (x + y)^3 is

OPtion

1) 1
2) 8
3) 27
4) 64
5) 125
6) 216
7) 343
8) 512
9) 729
10) 1000

Solution

0.6 x + 0.4 y = 1
y = (10-6x)/4
Only integral solution for this equation is x= 1, y = 1

Correct Option: 2 Best Solution (6)