Write three equivalent ratios of :
a. `4:9`
b. `3:8`
c. `3:4`
d.`5:7`

Give three equivalent ratios for 5:7.

Find three equivalent ratios for 7:9

Write four equivalent ratios for a. 3:5 b. 5:9 c. 4:7

Write three equivalent ratios for each of the following: 2:7 3:7 5:6 4:9

A ratio equivalent to 2:5 is (a) 6: 15 (b) 4:5 (c) 5:2 (d) 5:4

A ratio equivalent to 2:3 is (a) 4:3 (b) 2:6 (c) 6:9 (d) 10:9

The line segment joining the points (1,2) and (-2,1) is divided by the line 3x+4y=7\ in the ratio a. 3:4 b. 4:3 c. 9:4 d. 4:9

Let A={2,\ 3,\ 4,\ 5,\ .......\ 17 ,\ 18} . Let ' ' be the equivalence relation on AxxA , cartesian product of A with itself, defined by (a ,\ b)(c ,\ d) iff a d=b c . Then, the number of ordered pairs of the equivalence class of (3, 2) is (a) 4 (b) 5 (c) 6 (d) 7

The means of five observations is 4 and their variance is 5.2. If three of these observations are 1,2 and 6, then the other two are (a) 2 and 9 , (b) 3 and 8 , (c) 4 and 7 , (d) 5 and 6

The radii of two circles are in the ratio 2: 3. The ratio of their areas is (a) 2:3 (b) 4:9 (c) 3:2 (d) 9:4