Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 1 (Q.No. 11)
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
11.
Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?
Answer: Option
Explanation:
In this simple addition series, each number increases by 0.8.
Discussion:
45 comments Page 1 of 5.
Sneha chandrika said:
3 years ago
This is simple, the logic is 1.5+0.8 = 2.3.
So, by the addition of 0.8, the number will increases.
So, by the addition of 0.8, the number will increases.
(23)
Prashanth said:
4 years ago
Hi I have doubt.
I have taken the difference between consecutive terms for this question like I have added 3.1 bcos the diff between 3.1 and 1.5 is 1.6 and I have added that 1.6 to 3.1 to get the answer 4.7 is my method correct or not?
Please, anyone explain.
I have taken the difference between consecutive terms for this question like I have added 3.1 bcos the diff between 3.1 and 1.5 is 1.6 and I have added that 1.6 to 3.1 to get the answer 4.7 is my method correct or not?
Please, anyone explain.
(10)
Taj said:
5 years ago
Thank you all for solving this.
(5)
Ron said:
5 years ago
1.5 + 0.8 = 2.3.
2.3 + 0.8 = 3.1.
3.1 + 0.8 = 3.9.
3.9 + 0.8 = 4.7.
It's because when we add 0.8 in each answer we will get the next digit. So, when we add 3.9 + 0.8 so our answer will be 4.7.
2.3 + 0.8 = 3.1.
3.1 + 0.8 = 3.9.
3.9 + 0.8 = 4.7.
It's because when we add 0.8 in each answer we will get the next digit. So, when we add 3.9 + 0.8 so our answer will be 4.7.
(14)
Amrit Sarkar said:
5 years ago
Every no. is increasing by 0.8.
So 1.5+0.8=2.3.
2.3+0.8=3.1.
3.1+0.8=3.9.
Then 3.9+0.8=4.7.
So 1.5+0.8=2.3.
2.3+0.8=3.1.
3.1+0.8=3.9.
Then 3.9+0.8=4.7.
(2)
Surya said:
6 years ago
The difference between first and second digit is 0.8.
So, by adding of 0.8 to every digit incressing order 3.9+0.8 = 4.7.
So, by adding of 0.8 to every digit incressing order 3.9+0.8 = 4.7.
(2)
Bitra gopinath said:
6 years ago
1.5, 2.3, 3.1, 3.9,.... Multiply this number by 10 15 23 31 39 ....
Take their difference which is 8.
Then 39+8 = 47.
Now divide it by 10 which gives answer 4.7.
Take their difference which is 8.
Then 39+8 = 47.
Now divide it by 10 which gives answer 4.7.
(7)
Foram said:
6 years ago
Assume that there is no (.) in the series,
15 , 23 , 31 , 39
+8 +8 +8
Add 8 in the next numbers,
So, adding +8 in the 39 the answer will be 47.
And finally, the answer is 4.7.
15 , 23 , 31 , 39
+8 +8 +8
Add 8 in the next numbers,
So, adding +8 in the 39 the answer will be 47.
And finally, the answer is 4.7.
(12)
Mansi sharma said:
6 years ago
In this series, it is increases by 0.8.
(2)
Vicky kumar sharma said:
6 years ago
1.5 + 0.8 = 2.3,
2.3 + 0.8 = 3.1,
3.1 + 0.8 = 3.9,
3.9 + 0.8 = 4.7.
2.3 + 0.8 = 3.1,
3.1 + 0.8 = 3.9,
3.9 + 0.8 = 4.7.
(2)
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