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:
87 comments Page 7 of 9.
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.
Sangita said:
1 decade ago
My answer is 128.
14*2 = 28.
20*2 = 40.
32*2 = 64.
64*2 = 128.
14*2 = 28.
20*2 = 40.
32*2 = 64.
64*2 = 128.
Aarushi said:
5 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:
8 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:
9 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:
8 years ago
14 * 2 = 28,
20 * 2 = 40,
32 * 2 = 64,
64 * 2 = 128.
20 * 2 = 40,
32 * 2 = 64,
64 * 2 = 128.
Nima dorji said:
4 years ago
Sir I didn't get it. Can anyone explain once more?
(5)
PANKAJ RIYAR said:
2 decades 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
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