The ratio 3:2 and 4:5 are equivalent.
Three containers have their volumes in ratio 3:4:5. They are full of mixtures of milk and water in the ratio of (4:1),(3:1) and (5:2) respectively . The ratio of milk and water in the fourth container contains all the above three mixtures is=
Options....
(1.)4:1. (2.)151:48
(3.)157:53. (4.)5:2
Two wires A and B with lengths in the ratio of 3:1, diameters in the ratio of 1:2 and resistivities in the ratio of 1:20 are joined in parallel with a source of emf 2V. Ratio of the R1 and R2 is:
1) 5 : 2
2) 2 : 5
3) 5 : 3
4) 3: 5
The radii of two cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 3. The ratio of their volumes is
(a) 27 : 20 (b) 20 : 27 (c) 4 : 9 (d) 9 : 4