Question

What should come in place of (?) in the following number series?

210     211      207     223      159      ?

A 233 Correct Answer Incorrect Answer
B 213 Correct Answer Incorrect Answer
C 203 Correct Answer Incorrect Answer
D 223 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

210 + 40 = 211 211 – 41 = 207 207 + 42 = 223 223 – 43 = 159 159 + 44 =  223

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