Ques 1 Ratio and Proportion
A bag contains Rs. 1, 50 paise, and 25 paise coins, and the ratio of their value is 30:11:7, and the total number of coins 480 .find the number of 50 paisa coins.
Ques 2 Ratio and Proportion
The ratio of land and water on earth is 1:2 and the ratio of land and water in the northern hemisphere is 2:3 .find the ratio of land and water at the southern hemisphere.
Ques 3 Ratio and Proportion
How many job applicants had applied if the ratio of selected to unselected was 19:17 , if 1200 fewer had applied and 800 fewer selected, then the ratio of selected to unselected would have been 1:1.