8 5 16 4 15 3 50 4 5 6 2 30

(8,.5,16,4),(15,.3,50,4.5),(6,.2,30,x)
8/.5====>16
8*.5====>4

15/.3====>5.0
15*.3====>4.5

6/.2=====>30
6*.2=====>1.2

ans:1.2
10 years agoHelpfull: Yes(2) No(0)
8,.5,16,4,15,.3,50,4.5,6,.2,30.x
(8,.5,16,4),(15,.3,50,4.5),(6,.2,30.x)

in each of three group
3rd no.= 1st/2nd & 4th no.= 1st*2nd

8/.5 = 16 , 8*.5 = 4
15/.3 = 50 , 15*.3 = 4.5
6/.2 = 30 , 6* .2 = x so... x = 1.2
10 years agoHelpfull: Yes(0) No(0)
ans128 0544th no15 03458th no6 021212th no
10 years agoHelpfull: Yes(0) No(0)

8,.5,16,4,15,.3,50,4.5,6,.2,30