Next number in sequence
Number Theory
Level
3
What is the next number to follow in the given series:- 7, 5, 3, 10,.....
The answer is 8.
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1 solution
7x1 = 7 (sum of digits in 7 is 7), 7x2 = 14 (sum of digits in 14 is 5), 7x3 = 21(sum of digits in 21 is 3), and so on........