Question
115, 138, 163, 190, 219,
? Find the missing number in the following number series:Solution
The series follows the pattern: 115+23Â = 138 138Â +25 = 163 163+27 = 190 190 +29 = 219 219+31 = 250
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Total of Series of n terms 1 + 1 + 3 + 1 + 3 + 5 + 1 + 3 + 5 + 7 ……………………
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Simplify
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The ratio between two numbers is 2:3 and the sum of their squares is 2197. The numbers are:
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