Radha has a collection of 18 red beads and 12 green beads. Uma also has such a collection of red and green beads, 20 in all. The ratio of the number of beads in each colour is same for both. How many red beads does Uma have?
14
12
18
13
Which of the following numbers are in proportion
20, 18, 5, 6
30, 10, 6, 2
17, 20, 15, 25
11, 20, 5, 7
The sum of two positive numbers is 2300 and their ratio is 11:12. The smaller of these numbers is
1100
1160
1605
1175
In a proportion, the first, second and fourth terms are 72, 36, 18. Find the third term.
9
36
25
47
The sides of a triangle an in the ratio 1/2:1/3:1/4. If the perimeter of the triangle is 52cm, the length of the smallest side is
24cm
18cm
12cm
9cm
Find the ratio of the following in the simplest form - Rs. 700 to Rs. 343
49:100
100:49
25:7
7:25
If A:B:C = 2:3:4, then A/B : B/C:C/A is equal to
8:9:16
8:9:12
8:9:24
4:9:16
Find the value of x in the proportion 85:95::x:57
51
63
41
57
Santhosh invested 4000 rupees and Madhavan invested 6000 rupees to set up a partnership. In one year they got 3000 rupees profit. If they split this in the ratio of their investments, how much would Madhavan get?
Rs. 1800
Rs. 1600
Rs. 1100
Rs. 1400
The perimeter of a triangle is 20m and length of it's two sides are 5m and 7m. What is the ratio of it's sides.
5:7;6
5:6:8
5:7:8
5:7:9
