1.

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

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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