MBA Exam

what is the ratio of the radius of the in-circle to that of the circumcircle of a right-angled triangle with sides 13cm,12cm,5cm? i dont know the answer to this question....plz explain?

1) 3:4
2) 3:5
3) 3:12
4) 4:13

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MBA Other Question

Pagal-guy and the Don play roulette. Each has his own roulette.Pagal-guy's roulette is a circle divided into 3 equal sectors with thevalues 0 , 1 , 2 . He plays thrice and X is the sum of these values.The Don's roulette is a circle divided into 6 equal sectors with the values1, 2, 3 , 4 , 5 , 6 . He plays only once and this value is Y.Given that Probability(Y>X)=0.5 find probability(Y

1) 75/73
2) 55/162
3) 67/128
4) 1/2
Find the sum pf all three digit number that give a remainder of 4 when they are divided by 5..please explain the procedure....

1) 98270
2) 99270
3) 102090
4) 90270