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In the following series of numbers, find out how many times 1, 3 and 7 have appeared together, 7 being in the middle and 1 and 3 either side of 7 2973173771331738571377173906 (1) 3 times (2) 4 times (3) 2 times (4) 5 times |
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Answer» (1) 3 times 3 times 2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6 |
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