2.A ratio equivalent to 3:7 is
3:9
9:21
6:10
3.The ratio of 35:84 in simplest form is
5:7
7:12
5:12
4.In a class there are 20 boys and 15 girls.the ratio of boys to girls is
4:3
3:4
4:5
5.Two numbers are in the rato 7:9.If the sum of the numbers is 112, then the larger number is
49
72
63
6.The ratio of 1.5m to 10 cm is
1:15
15:10
15:1
7.The first, second and fourth terms of a proportion are 16,24 and 54 respectively then the third term is
36
28
48
8.If 12,21,72,126 are in proportion,then
12x21=72x126
12x126=21x72
12x72=21x126
9.The value of m,if 3,18,m,42 are in proportion is
6
7
54
10.7:12 is equivalent to
28:40
42:72
72:42
11.The ratio of 1hour to 300 seconds is
1:12
12:1
1:5
Answers
Answered by
2
Answer:
Step-by-step explanation:
I don’t know
Answered by
1
Step-by-step explanation:
9:21,5:12,4:3,63,15:1,36,12×126=72×21,7,42:72,12:1
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