CAT Exam undefined

Complete the series:
-12,6,-15,28,-14,9,3,-18?

Read Solution (Total 1)

correct series is -12,6,-15,-5,28,-14,9,3,-18,?
-12/6=-2
-15/-5=3
28/-14=-2
9/3=3
-18/x=-2
so x=9.
9 years agoHelpfull: Yes(0) No(0)

CAT Other Question

how many value of C in the equation x^2-5x+c result in rational roots which are integer?
options
1)1
2)3
3)6
4)infinite what are the last non zero digit of 38!