Question

How many such pairs of digits are there in the number 713286549 (both forward and backward directions), each which has many digits between them as in the arithmetic series?

A One Correct Answer Incorrect Answer
B Two Correct Answer Incorrect Answer
C Three Correct Answer Incorrect Answer
D More than four Correct Answer Incorrect Answer
E None Correct Answer Incorrect Answer

Solution

Forward - 36, 39,25, 69 Backward - 32, 65, 64, 54.

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