I.Q. test 39
By jinuxnet
@jinuxnet (675)
Philippines
February 28, 2007 1:15am CST
39. Which number should be next in this series: 512...64...8...1…???
a. ¼
b. 1/8
c.0
d. -4
e. -8
f. I don't know
me is letter e. how about you
2 responses
@LadyLeene (584)
• United States
28 Feb 07
b
To get the next number, you divide the previous one by 8.
1 person likes this
@josephperera (2906)
• Sri Lanka
28 Feb 07
I too agree with the first responder. It is a geometric progression with the previous number being divided by 8. Thene in the 5th place you end up with 1/8. So the answer is b.