Quantitative Questions
January 15th, 2011 Posted in Quantitative Ability
Sample Quantitative Questions: Direction for next 2 Quantitative questions: Answer the following quantitative questions on the basis of data given below. x , y , z are positive integers such that x + y + z = 100,
1. Find the probability that x > 20, y > 10 , z > 20 .
a) 23/99
b) 1/7
c) 7/33
d) 1/8
e) 8/33
2. Find the number of possible solutions for the equation in the previous question, If 25 < x < 51, y > 10 and z > 15.
a) 900
b) 1176
c) 4075
d) 236
e) None of these
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March 22nd, 2011 at 11:49 am
1) e
2) a
the formula for solving such ques is as follows:
when x+y+z=k and x>=0,y>=0,z>=0 then total no of soll is k+2C2.
apply this to above nd will get the result