The ratio between two numbers is 3:4. If their L.C.M is 180, the numbers are:
13
14
15
16
The mean proportional of 0.32 and 0.02 is.
0.34
0.30
0.16
0.08
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
None of these
What must be added to each term of the ratio 7:13 so that the ratio becomes 2:3?
2
3
4
5
The first term of a ratio is called
Antecedent
Consequent
Proportion
Extreme
In a proportion, the first, second and fourth terms are 72, 36, 18. Find the third term.
9
36
25
47
The ratio between two numbers is 3:4. If each number be increased by 6, the ratio becomes 4:5. The difference between the numbers is
1
6
8
Express 126:189 in simplest form.
2:4
2:3
2:5
2:7
Rs. 5,600
Rs, 3,200
Rs. 9,600