Logical Reasoning - Number Series - Discussion

Discussion Forum : Number Series - Type 2 (Q.No. 6)
Directions to Solve
Look carefully for the pattern, and then choose which pair of numbers comes next.

6.
2 3 4 5 6 4 8
9 10
4 8
10 4
9 4
8 9
Answer: Option
Explanation:
This is an alternating addition series with a random number, 4, interpolated as every third number. In the main series, 1 is added, then 2 is added, then 1, then 2, and so on.
Discussion:
33 comments Page 1 of 4.

Rashmi said:   1 decade ago
Here 4 is a number that is repeated everytime at 3rd place.There is a simple addition is happen.Firstly add 1 then 2.so that by adding 1 in 2 we get 3.Now 4 will be appear at 3rd place as it is repeated.Now add 2 in 3 we get 5 and now add 1 in 5 we get 6.Now 4 will again repeated.Again add 2 in 6 we get 8.Now we add 1 in 8 we get 9 and again 4 will be appear.this is our answer.:)

Prakash said:   2 decades ago
Here you have given the number such as 2 3 4 5 6 4 8. For this series you have taken the numbers 2-6 is by adding 1 and the remaining numbers 4 and 8 cannot be possible for adding the digit 1 and hence the answer cannot be able to identify the 8 9.

Can you say these answer in detail?

Gene said:   1 decade ago
since number 4 is repeated at every third place it is interpolated means removed so now,

2 3 [4] 5 6 [4] 8

2+1= 3
3+2= 5
5+1= 6
6+2= 8
8+1= 9

So answer is 9 and as 4 is repeated for third place so 4 should be placed 9+2= 11 and so on.

Sterin said:   1 decade ago
2 3 (4) 5 6 (4) 8 9 (4) 11, 12 (4)

the series goes this way...
2, 3 Omit the next number and put 4,
5, 6, Omit the next number and put 4,
8, 9, Omit the next number and put 4,

so on...

Ramkumar said:   1 decade ago
2 3 4 5 6 4 8 ....

The above series have the 3rd position replaced by the : 4.

Solution: 2 3 (4) 5 6 (7) 8 9 (10)..

Series: 2 3 (4) 5 6 (4) 8 9 (4) ..

So answer is : 9 4

Vigneshwaran said:   1 decade ago
Interpolation means adding a number in random without any logic

Thus:

2 next 3
Interpolation == 4
5 next 6
Interpolation == 4
8 next __? ==> 9
Interpolation == 4
This follows

Appu said:   1 decade ago
Hello friends
here series is,2,3,4,5,6,4,8
1.every third position occupy 4
2.remaing seriens are get by add 1 and 2 respectively.
so result is,8+1=9 and 3rd position =4
(1)

MANISH said:   1 decade ago
2 3 4 5 6 4 8.

The above series have the 3rd position replaced by the 4.

Solution: 2 3 (4) 5 6 (7) 8 9 (10).

Series: 2 3 (4) 5 6 (4) 8 9 (4).

So answer is : 9 4.
(1)

Rajesh kumar said:   8 years ago
Every second letter after repeat 4 ,2 and 3 between(2+1) diferance 1,5and 6 between(5+1) differance 1,and 4 is combind after 2nd letter,so( 8+1) = 9, 4.
(1)

Pabitra Kumar said:   9 years ago
It's so easy.

i.e. 2+1=3,4,5+1=6,4,8+1=9,4 (2 3 4 5 6 4 8 9 4) 4 will be repeated in between. that's the answer. Thanks.
(7)


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