Campus Maths Puzzle Category

x + 3x^2 + 5x^3 + 7x^4+ . . . . . +99x^49 is divided by (x-1) .then what will be the remainder?

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Campus Other Question

2/8
20%
1/5
or 0.22
if a b c and d are four distinct natural numbers,each of which has exactly factors,find the number of factors of the product of a,b,c and d.
1)17
2)256
3)625
4)none