I did not understand what u meant in the topic of application of ratio in solving problem.

Dear Student,

Please find below the links of sample problem based on the concerned topic:

https://www.meritnation.com/ask-answer/question/find-the-ratio-in-lowest-form-of-4is-to-500/ratio-and-proportion/9968341

https://www.meritnation.com/ask-answer/question/divide-18-books-between-mahesh-and-ramesh-in-the-ratio-1-2/ratio-and-proportion/9966126

https://www.meritnation.com/ask-answer/question/increase-rs-250-in-the-ratio-7-5-hint-increased-value-7/ratio-and-proportion/9960743

https://www.meritnation.com/ask-answer/question/25-parcles-can-be-modified-for-ruppes-187-50-how-much-will/ratio-and-proportion/9959179

Kindly go through the above solutions and do get back to us in case you still have any further concerns.

Regards