Question

3,6,18,90,630....find the next number in series?

Answer 1

Because
first we multiplied 3 with 2 we got 6
then 6*3=18
then 18×5=90
then 90×7=630
If we observe we can find that we are multiplying with prime numbers

next prime is 11
so,630×11 =6930

Answer is 6930

HOPE IT HELPS YOU