Express 126:189 in simplest form.
2:4
2:3
2:5
2:7
If the weight of a 13 meters long iron rod be 23.4 kg the weight of 6 meters long such rod will be:
7.2 kg
12.4 kg
10.8 kg
18 kg
The mean proportional of 0.32 and 0.02 is.
0.34
0.30
0.16
0.08
What must be added to each term of the ratio 7:13 so that the ratio becomes 2:3?
2
3
4
5
The ratio of 20 miles to 25 km is.
6:5
4:5
32:25
33:50
Rs. 5,600
Rs, 3,200
Rs. 9,600
None of these
The ratio between two numbers is 3:4. If their L.C.M is 180, the numbers are:
13
14
15
16
Unit of ratio is
cm
kg
L
The boys and girls in a school are in the ratio 9:5. If the number of girls are 225 then the no.of boys are.
415
400
405
425
In a proportion:
Product of extremes = ___________ of means.
Difference
Product
