Question Text
Question 1 :
In each of the following, check whether or not the given ratios form a proportion : {tex}\frac{7}{8}{/tex} and 14:16
Question 2 :
The following ratios are in proportion: <br />16 : 28 and 24 : 42
Question 4 :
The following ratios are in proportion: <br />8 : 16 and 12 : 15
Question 5 :
In shelf, the books with green cover and that with brown cover are in the ratio 2:3. If there are 18 books with green cover, then the number of books with brown cover is
Question 6 :
The ratios 2 kg : 80 kg and 25 g : 625g form a proportion
Question 7 :
The following ratios are in proportion: <br />25 : 40 and 20 : 32
Question 11 :
The ratio of number of girls to the number of boys in a class is 5 : 4. If there are 25 girls in the class, then the number of boys in the class is
Question 13 :
Which of the following is true (T)? 2 : 5 = 5 : 2
Question 14 :
Which of the following is true (T)? 3 : 4 = 15 : 20
Question 15 :
The ratios 15 cm to 2 m and 10 sec to 3 minutes form a proportion.