IBM
Company
Logical Reasoning
Number Series
-16,-8,4,24,12,-6,-40,?
Read Solution (Total 3)
-
- (-16,-8,4)(24,12,-6)(-40,?)
divide first term by 2 you will get the second term now divide second term by -2 you will get the third term
hence -40/2=-20 Answer - 12 years agoHelpfull: Yes(40) No(5)
- -20 is ans
look
4*(-2)=-8 -8*2=-16
-6*(-2)=12 12*2=24
10*(-2)=-20 -20*2=-40 - 12 years agoHelpfull: Yes(3) No(3)
- series is -16,-8,4,24,12,-6,-40,x
-16/2=-8, change sign -8/-2=4
24/2= 12, change sign 12/-2=-6
-40/2=-20 =>x=-20 ans - 11 years agoHelpfull: Yes(1) No(0)
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