Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 1 (Q.No. 12)
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
12.
Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?
Answer: Option
Explanation:
This is an alternating multiplication and subtracting series: First, multiply by 2 and then subtract 8.
Discussion:
86 comments Page 7 of 9.
Ramya said:
9 years ago
I think 50 also the answer. But it's not there in this options.
Yash said:
1 decade ago
14+6=20.
20+8=28.
28+4=32.
32+8=40.
40+8=48.
48+8=56.
56+8=64.
20+8=28.
28+4=32.
32+8=40.
40+8=48.
48+8=56.
56+8=64.
Aarushi said:
4 years ago
14*2 = 28 - 8 = 20,
20*2 = 40 - 8 = 32,
32*2 = 64 - 8 = 56.
20*2 = 40 - 8 = 32,
32*2 = 64 - 8 = 56.
(2)
Harpreet kaur said:
1 decade ago
14+14=28.
28-8=20.
20+20=40.
40-8=32.
32+32=64.
64-8=56.
28-8=20.
20+20=40.
40-8=32.
32+32=64.
64-8=56.
Biswajit said:
7 years ago
28-20=8,
40-32=8,
64-8=56,
So, 56 is the right answer.
40-32=8,
64-8=56,
So, 56 is the right answer.
ASAD said:
1 decade ago
14*2=28
28-8=20
20*2=40
40-8=32
32*2=64
64-8=56
28-8=20
20*2=40
40-8=32
32*2=64
64-8=56
Bhavana said:
8 years ago
14*2=28.
28-8=20.
20*2=40.
40-8=32.
32*2=64.
64-8=56.
28-8=20.
20*2=40.
40-8=32.
32*2=64.
64-8=56.
Sneha said:
7 years ago
14 * 2 = 28,
20 * 2 = 40,
32 * 2 = 64,
64 * 2 = 128.
20 * 2 = 40,
32 * 2 = 64,
64 * 2 = 128.
PANKAJ RIYAR said:
1 decade ago
14+14=28
28-8=20
20+20=40
40-8=32
32+32=64
64-8=56
28-8=20
20+20=40
40-8=32
32+32=64
64-8=56
PERNI .RAMBABU said:
1 decade ago
14
14*2=28
28-8=20
20*2=40
40-8=32
32*2=64
64-8=56
14*2=28
28-8=20
20*2=40
40-8=32
32*2=64
64-8=56
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