Question
68Â Â Â Â 189Â Â Â Â 45Â Â Â Â 214Â Â Â
 ?    243 What will come in place of the question mark (?) in the following series?Solution
68 + 112 = 189 189 – 122 = 45 45 + 132 = 214 214 – 142 = 18 18 + 152 = 243
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