Logical Reasoning - Number Series - Discussion

Discussion Forum : Number Series - Type 1 (Q.No. 3)
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

3.
Look at this series: 36, 34, 30, 28, 24, ... What number should come next?
20
22
23
26
Answer: Option
Explanation:
This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.
Discussion:
65 comments Page 1 of 7.

Haneeshendluri said:   1 decade ago
The series is 36,34,30,28,24...

Lets take difference of successive 36-34=2,34-30=4,30-28=2,28-24=4..

By observing the above differences that is clear that 4,2 are the successive differences that we are getting.

So the next difference is 2,4,2,4,2,4, next number 24-2=22.
(1)

Mahananda Mohanty said:   9 years ago
Firstly the last no of is added i.e. the sum of 6 and 4 of 36 &34 the no. Will be10 then the sum of0&8out of 30&28 the no will be8then. The sum of 4 &2 out of 24&22 the no will be 6.

Due to the dressing in the given series the answer will be 22.

Pavan Bhushan said:   1 decade ago
The numbers are obtained by doubling the numbers in descending order. After every two numbers, one number is excluded.

36= 18*2.
34= 17*2.
The number 16 is excluded.

30= 15*2.
28= 14*2.
13 is excluded.

24= 12*2.
Next number should be 11*2 = 22.

Srisai.putta said:   7 years ago
The given series is 36, 34, 30, 28, 24 by subtracting with 2&4 we get next number to the 24.

36-2=34
34-4=30
30-2=28
28-4=24
24-2=22.

22 is the final number which is next to the 24 in the given above series.
Therefore, 22 is the next number.

A.G RAO said:   10 years ago
Add Subtracted to 6, 4 or 4 digit number but this simple logic.

36- 2 = 34.
34- 4 = 30.
30 -2 = 28.
24 -4 = 22.

The number should be 22 is correct answers.

Yogita dawar said:   1 decade ago
36, 34, 30, 28, 24,.....

36-2=34.
34-4=30.
30-2=28.
28-4=24.
24-..=..

It will repeat that alternative numbers 2 and 4.
then 24-2 = 22.
answer is B. 22.

Ranji said:   1 decade ago
Odd terms are multiple into 6 and even terms are subtracted to 6.

6*6 = 36 34-6 = 28.

5*6 = 30 28-6 = 22.

4*6 = 24.

The number should be 22.

Mms said:   1 decade ago
36-34 = 2.
34-30 = 4.
30-28 = 2.
28-24 = 4.
24-22 = 2.

Just follow the series of 2,4,2,4,last is 2 ....it will get by subtracting 24-22=2.

RAGHAVA said:   1 year ago
36-2 = 34,
34-4 = 30,
30-2 = 28,
28-4 = 24,
24-2 = 22.

Here they followed the pattern by subtracting 4 and 2 alternatively.
(10)

Dhanashree Pathare said:   6 years ago
According to me, the solution is;

36 - 2= 34.
34 - 4 = 30.
30 - 2 = 28.
28 - 4 = 24.
24 - 2 = 22.

So, the answer is 22.
(1)


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