Question

3.Nimmi's collection of Indian stamps to foreign stamps is in the ratio 4:7. If she has 68 Indian stamps,how many foreign stamps does she have?

4.The pocket money which Ravi and Suman have in their hands are in the ratio 8:9. If Suman has 198 with her, how much does Ravi have?

5.The monthly income of Sonu and Raja are 14,400 and 12,800.Find the ratio of Sonu's salary to Raja's salary as a ratio in the simplest form.

please tell me in process
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Answer 1

Answer:

3.Total stamps =1300

Indian stamps =65%

Let Indian stamps be x. Then, foreign stamps =1300−x.

Now,

x=

100

65

×1300

x=65×13=845

Therefore,

Indian stamps = 845

Foreign stamps = 1300−845=455