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Three of the following four are alike in a certain way and so form a group. Which is the one that does not belong to that group?
Q. Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?
- a)(1/3)
- b)(1/8)
- c)(2/8)
- d)(1/16)
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Three of the following four are alike in a certain way and so form a g...
The numbers are in a simple geometric progression with the number being exactly half of the previous number. So the answer is 1/8 which is half the previous number 1/4.
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Three of the following four are alike in a certain way and so form a g...
Series Analysis:
The given series is a decreasing geometric sequence where each term is obtained by dividing the previous term by 2.
Explanation:
To find the next number in the series, we need to divide the last term by 2 again.
Step-by-Step Solution:
- The first term of the series is 2.
- To get the second term, we divide the first term by 2: 2/2 = 1.
- To get the third term, we divide the second term by 2: 1/2 = 1/2.
- To get the fourth term, we divide the third term by 2: (1/2)/2 = 1/4.
Therefore, the next number in the series would be obtained by dividing the fourth term by 2: (1/4)/2 = 1/8.
Answer:
The number that should come next in the series is (1/8).
The given series is a decreasing geometric sequence where each term is obtained by dividing the previous term by 2.
Explanation:
To find the next number in the series, we need to divide the last term by 2 again.
Step-by-Step Solution:
- The first term of the series is 2.
- To get the second term, we divide the first term by 2: 2/2 = 1.
- To get the third term, we divide the second term by 2: 1/2 = 1/2.
- To get the fourth term, we divide the third term by 2: (1/2)/2 = 1/4.
Therefore, the next number in the series would be obtained by dividing the fourth term by 2: (1/4)/2 = 1/8.
Answer:
The number that should come next in the series is (1/8).
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