CAT Question Bank (Quant)  Gaurav Sharma  Set 2

gaurav_sharma last edited by
Director, Genius Tutorials, Karnal ( Haryana ) & Delhi  MSc (Mathematics)
Q100) There are 2n consecutive natural numbers. If (n + 1) numbers are randomly selected, then what is the probability that their HCF is 1?

@gaurav_sharma Ans (a)2
average market price of 3 shares decreased=3*1=3
if y=2
then
a +c b=3
y+yy/2=3
2+21=3