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:
85 comments Page 5 of 9.
Pavan said:
1 decade ago
@P.Rajendran..thought of the same thing but the ans isn't there in the options...
Rama chandta said:
7 years ago
14 * 2= 28 , 28-8 = 20 , 20 * 2 = 40,
40-8= 32 , 32*2 = 64 , 64-8 = 56.
40-8= 32 , 32*2 = 64 , 64-8 = 56.
Suraj said:
1 decade ago
14, 28(14*2), 20(14+6), 40(28+12), 32(20+12), 64(40+24), 56(32+24) + (24*2)112
Sonam said:
1 decade ago
14*2 = 28.
28-8 = 20.
20*2 = 40.
40-8 = 32.
32*2 = 64.
64-8 = 56 easy method.
28-8 = 20.
20*2 = 40.
40-8 = 32.
32*2 = 64.
64-8 = 56 easy method.
Praveen said:
2 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.
(146)
Vishnu Sharma said:
1 decade ago
14*2=28-8=20*2=40-8=32*2=64-8=56*2=112
14 28 20 40 32 64 56 112
14 28 20 40 32 64 56 112
Pawan sharma said:
1 decade ago
14*2 = 28,28-8 = 20;
20*2 = 40,40-8 = 32;
32*2 = 64,64-8 = 56;
Answer is 56.
20*2 = 40,40-8 = 32;
32*2 = 64,64-8 = 56;
Answer is 56.
Ravikumar said:
1 decade ago
14*2=28,28-8=20;
20*2=40,40-8=32;
32*2=64,64-8=56;
yes this is the procedure
20*2=40,40-8=32;
32*2=64,64-8=56;
yes this is the procedure
Yuvaraj said:
6 years ago
The solution is;
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;.
Tirtha Datta said:
4 years ago
14 * 2 = 28,
(14 + 6) * 2 = 40,
(20 + 12) * 2 = 64,
(32 + 24) * 2 = 122.
(14 + 6) * 2 = 40,
(20 + 12) * 2 = 64,
(32 + 24) * 2 = 122.
(1)
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