MBA Exam

a function f defined on the set of real numbers is such that it satisfies f(x-1) +f(x+1)=f(x) and f(-2) +f(0)=0.what is the integer values of x [100,115[such that f(x)>0?

1) 7
2) 6
3) 5
4) 4

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MBA Other Question

Find the number of non-negative integral solutions of 2x + 2y +z =10 ..... got the answer as 21 but in book its given 12C2...

Que: The remainder when 2^2+22^2+222^2+2222^2+......(222......49 twos)^2 is divided by 9 is?

1) 2
2) 5
3) 6
4) 7