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 exceeds B by 40%, B is less than C by   20% , then A:C is

Which of the following represents a correct proportion?

A and B together have ₹ 158. C has ₹101 less than what A and B together have, and B has ₹ 23 more than C. The amount of A is:

An amount of money is to be divided among Sakshi, Aastha and Ruchita in the ratio of 3: 5: 7 respectively. If the amount received by Ruchita is Rs. 8000 more than the amount received by Aastha, what will be the average amount received by Sakshi & Aastha?

The ratio of the students of one school is 3: 5 with the students of the other school, if in the first school there were 50 students more and in the second there were 80 students less then the ratio would be 5: 6. Find the total number of students in both schools.

If A:B is 2:5 and B:C is 3:4, what is A:C? 

If a : b=2 : 5, b:c=4 : 7 and c : d=9 : 14, then Find out the value of a : b : c : d=?