Question

What will come in place of the question mark (?) in the following series?

318      228      148      78      18      ?

A 40 Correct Answer Incorrect Answer
B -35 Correct Answer Incorrect Answer
C -28 Correct Answer Incorrect Answer
D 32 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

318 – 90 = 228 228 – 80 = 148 148 – 70 = 78 78 – 60 = 18 18 – 50 = -32

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