Directions:  The table given below presents the number of books on different subjects kept on separate shelves subjects with odd and even numbers are of arts and Science respectively

Find the ratio of S1: S7.

If A : B = 3 : 2, then (3A – 2B): (2A – B) is equal to

Sunil, Karim and Mohan are invested a certain amount in the ratio 1: 2: 3 and the ratio of investment at the end of year is 3 : 8: 18. Find the ratio of time for which they invested ?

If there is a reduction in the number of workers in a factory in the ratio 65 : 17 and an increment in their wages in the ratio 34 : 125, then the ratio by which the total wages of the workers should be decreased is-

Three bottles of equal capacity are containing a mixture of milk and water in ratio 1: 3, 3: 5 and 11: 5 respectively. These three bottles are emptied into a large bottle. What is the ratio of milk and water respectively in this large bottle?

In a factory, the salary of each worker is increased in the ratio 22 : 25 but the number of workers is decreased by $$ 26{2\over3}\% $$. The net effect on the salary is: 

Ratio of the income of A and B is 8 : 5, while expenditures is in the ratio 5 : 3. If they have saved Rs. 12,000 and Rs. 10,000 monthly respectively, then the difference in their monthly incomes is: 

Two numbers are in the ratio of 5:6 and if 4 is added to the first number and 4 is subtracted from the second number then the ratio becomes 3:2. Find the difference between two numbers.