8 12 30 120 780 ?
Find the missing number...
Options are as follows...
°7800
°1120
°1560
°8190
Plz.. Write step-by-step...
Answers
Answered by
3
Answer:
c
Step-by-step explanation:
8+4=12
12+18=30
30+90=120
120+660=780
780+660+120=1560
Answered by
8
Answer:
D 8190
Step-by-step explanation:
8*1=8
8*1.5=12
12*(1+1.5)=30
30*(1.5+2.5)=120 (1+1.5)=2.5
120*(2.5+4)=780 (1.5+2.5)=4
780*(4+6.5)=8190 (2.5+4)=6.5
The ans is 8190 amd you can well understand the pattern
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