Math, asked by mdjunaid99, 9 months ago

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 tokkarpreeti
2

Answer:

Step-by-step explanation:

I don’t know

Answered by RaoDheeraj
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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