निम्नलिखित अनुपातों को आरोही क्रम (ascending order) में व्यवस्थित करें: 3 : 20, 6 : 5, 12 : 3, 26 : 11

The ratio of the number of students in schools A, B and C is 4 : 5 : 6. If the number of students in the schools is increased by 10%, 12% and 20%, respectively, then find the new ratio of the number of students in the schools A, B and C.

Four numbers are in the ratio 2 : 3 : 4 : 6 and their sum is 1440. Find the ratio between the sum of the first and fourth numbers and the sum of the second and third numbers.