Question
101Â Â Â Â 222Â Â Â Â 78Â Â Â Â 247Â Â Â
 ?    276 What will come in place of the question mark (?) in the following series?Solution
101 + 112 = 222 222 – 122 = 78 78 + 132 = 247 247 – 142 = 51 51 + 152 = 276
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