Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 1 (Q.No. 1)
Directions to Solve
In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much
1.
Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?
Answer: Option
Explanation:
This is a simple division series; each number is one-half of the previous number.
In other terms to say, the number is divided by 2 successively to get the next result.
4/2 = 2 2/2 = 1 1/2 = 1/2 (1/2)/2 = 1/4 (1/4)/2 = 1/8 and so on.
Discussion:
189 comments Page 12 of 19.
Ankit said:
9 years ago
Thank you for the given explanations.
Saran said:
9 years ago
I can't understand this. Give me the explanation clearly.
Pratheep said:
9 years ago
Really nice. Thanks for the given explanation.
Julius said:
9 years ago
What is the meaning of this sign ^?
Please tell me correctly.
Please tell me correctly.
Bhanu said:
9 years ago
It's very tough to identify the series. How to find it? Please give me the shortcut.
Sumeet said:
9 years ago
In simple 2^1, 2^0, 2^-1, 2^-2, 2^-3, ... and we get 2 ,1, (1/2), (1/4), (1/8) and so on.
Shubham said:
9 years ago
Can anyone help me in finding the next number.
1) 4,9,10,21,22,39,34,57, ?
2) 15,105,315,693,1287, ?
3) 3,20,63,144, 275, ?
1) 4,9,10,21,22,39,34,57, ?
2) 15,105,315,693,1287, ?
3) 3,20,63,144, 275, ?
SHOBHA said:
9 years ago
Thank you all.
Vedant said:
9 years ago
Very very helpful. Thanks for all your explanation.
Rajeswari said:
9 years ago
1/8 + 1/8 = 1/4,
1/4 + 1/4 = 1/2,
1/2 + 1/2 = 1,
1 + 1 = 2,
So, the answer is 1/8.
1/4 + 1/4 = 1/2,
1/2 + 1/2 = 1,
1 + 1 = 2,
So, the answer is 1/8.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers