Exercise8.21. Two numbers are in the ration 2:3. If the sum of the numbers is 175. Find the numbers.2. Four-fifths of a number is 10 more than two-thirds of the number. Find the number.3. The sum of these consecutive number is 270: Find the numbers4. After 16 years Rina will be 4 times as old as she was 5 years ago. Find her present age.S. The difference between two whole numbers is 35. The ratio of the two numbers is 10:17. What are thetwo numbers?umer 6. Find the number, one-third of which, is 4 more than 5thth4of one part is eqa toof the other77. Divide 34 into two parts in such a way that. In a class of 80 students, the number of boys is four times of that of girls. How many are girls in the class?9. The length of a rectangle exceeds its breadth by 7 cm. If the length is decreased by 4 cm and the breadthis increased by 3cm, the area of the new rectangle is the same as the are of the original rectangle. Findthe length and the breadth of the original rectangle