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Instructions
What should come in place of question mark (?) in the following number series ?
Solution
Here, the difference between consecutive terms is:
89-87 =2
95-89 =6
107-95 = 12
Now, difference of the difference is :
6-2 = 4
12-6= 6
Difference series is an arithmetic progression with common difference 2. Hence the next term will be 8 and difference between terms will be 20.
Next term = 107+20 = 127
Hence, the correct option is A.
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