Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 4 (Q.No. 2)
Directions to Solve
Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters
2.
Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?
Answer: Option
Explanation:
This is an alternating division and addition series: First, divide by 2, and then add 8.
Discussion:
32 comments Page 3 of 4.
Kenneth Tombing said:
1 decade ago
The pattern is reversed in this case. Its easy if calculated from the end.
GAUTAM said:
5 years ago
664, 332, 340, 170, ___, 89.
89 * 2 = 178,
170 * 2 = 340,
332 * 2 = 664.
89 * 2 = 178,
170 * 2 = 340,
332 * 2 = 664.
(6)
Ali said:
5 years ago
Solution:
664/332 = 332 then 332+8.
340/2 = 170 + 8 = 178 => answer.
664/332 = 332 then 332+8.
340/2 = 170 + 8 = 178 => answer.
(9)
Aviral said:
9 years ago
664/2 = 332 + 8 = 340.
340/2 = 170 + 8 = 178.
178/2 = 89 + 8 = 97.
340/2 = 170 + 8 = 178.
178/2 = 89 + 8 = 97.
Akash kumar said:
5 years ago
664/2 = 332.
340/2 = 140.
89*2 = 178.
340/2 = 140.
89*2 = 178.
(1)
Rahul said:
1 decade ago
170*2=340
332*2=664
so
89*2=178 ans
332*2=664
so
89*2=178 ans
Adhul said:
6 years ago
Yes, the answer is 85 (i.e 170/2).
Chandu said:
8 years ago
Answer is 178. I agree.
Sathesh said:
1 decade ago
How is possible 178?
Jayeeta said:
7 years ago
Thank you @Saurabh.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers