Quiz: Ratio & Proportion

Divide ₹720 in ratio 2:3:4:

If a:b=2:3 and b:c=4:5, a:b:c=

Mean proportional between 9 and 16 is:

If 3A=4B=6C, A:B:C=

A:B=3:5; if 4 added to each, ratio=2:3. A=

Divide 60 in ratio 3:2:

Fourth proportional to 4,6,10:

If x:y=2:3, (3x+2y)/(2x+3y) =

Ratio of ages 5:7; after 6 yrs 3:4. Present ages:

A alloy has Cu:Zn=3:2. In 40kg, Cu is: