Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 1 (Q.No. 16)
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
16.
Look at this series: 80, 10, 70, 15, 60, ... What number should come next?
Answer: Option
Explanation:
This is an alternating addition and subtraction series. In the first pattern, 10 is subtracted from each number to arrive at the next. In the second, 5 is added to each number to arrive at the next.
Discussion:
83 comments Page 9 of 9.
DANISH said:
9 years ago
But both options 50 and 20 are there so which one to choose?
Roshan Roy said:
9 years ago
In this series they have divided numbers into two parts .This series goes like this 80, 10, 70, 15, 60, 20, 50, 25, 40, 30, 30, 35, 20 40, 10, 45 ...
80 70 60 50 -----> Decrement of 10.
10 15 20 25 -----> Increment of 5.
80 70 60 50 -----> Decrement of 10.
10 15 20 25 -----> Increment of 5.
Gaurav said:
10 years ago
Leave the series of 80, 70, 60.
Concentrate on 10, 15 so next will be 20.
Concentrate on 10, 15 so next will be 20.
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