Question

FIND THE MISSING NUMBER IN THE FOLLOWING EQUIVANT RATIOS (1 ) 20:4=5 ____
( 2) 36:_____=9:5
( 3 ) 3:1 =_____:8

Answer 1

product of extremes= product of means

1) 4*5/20=1

2) 36*5/9 = 20

3) 3*8/1 = 24