Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 2 (Q.No. 1)
Directions to Solve
Look carefully for the pattern, and then choose which pair of numbers comes next.
1.
28 25 5 21 18 5 14
Answer: Option
Explanation:
This is an alternating subtraction series with the interpolation of a random number, 5, as every third number. In the subtraction series, 3 is subtracted, then 4, then 3, and so on.
Discussion:
129 comments Page 4 of 13.
AjayKumar said:
1 decade ago
Take first three number as one set. Then take second three number as another set. Here end number these two set is 5. So just leave. Then you have first set as 28 25.
Second set as 21 18.
Here the difference between First number from first set and first number from second set is 7.
Here third set first number is available as 14, then 18-7=11.
Add 5 as last number. Now answer is 14, 11, 5.
Second set as 21 18.
Here the difference between First number from first set and first number from second set is 7.
Here third set first number is available as 14, then 18-7=11.
Add 5 as last number. Now answer is 14, 11, 5.
(1)
Keerthi said:
5 years ago
Thank you everyone for explaining.
(1)
SIVARAM PR said:
4 years ago
@Rohit T George.
Thank you for your good explanation.
Thank you for your good explanation.
(1)
SUNDAR said:
1 year ago
Nice clarification. Thanks all for the explanation.
(1)
Star007 said:
2 decades ago
Interpolation of a random number - 5 ? Explain this please.
M.s.kumar said:
2 decades ago
Good easy question. Look at carefully.
Shreya said:
2 decades ago
Excellent logic.
Raji said:
2 decades ago
Nice solution given from rohit.
Sankari said:
2 decades ago
Nice solution Rohit
MOHAN RAVITEJA.BOLLAREDDY said:
2 decades ago
Please explain more because I can't understand this question.
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