The next number in the sequence 3-15-6-30-21 is -207.
28
17
63
Fibonacci sequence Fibonacci sequence
The next number in the sequence 3-15-6-30-21 is -207.
Start with 3 and multiply by 5 and 3 alternately in sequence.
14
28
hi my name is ashish Hans there are three waye to solve number series: 1. Increasing sequence-------------->1, 3, 6, 10, 15, __ 2. Decreasing sequence-------------->87, 80, 74, 69, 65, __ 3. Mixed Sequence---------------------> 40, 15, 30, 25, 20, 35, __ (combination of inceasing and decreasing sequence)
17
63
The next number in the sequence is 48.
Fibonacci sequence Fibonacci sequence
The next number after 15 will be 3. You are sequentially adding 9, adding 1, and dividing by 5.
23
35