In a college the students in Arts and Commerce faculties were in the ratio of 4 : 5 respectively. When 65 more students joined Commerce faculty the ratio becomes 8 :11 respectively. How many students are there in Arts faculty? `520` b. `650` c. `715` d. cannot be determined e. none of these

In a school the ratio of boys and girls is 4:5 respectively.When 100 girls leave the school the,ratio becomes 6:7 respectively.How many boys are there in the school? 1300 b.1500 c.1600 d.Cannot be determined e.none of these

Three years ago, the ratio of the ages of Amisha and Nimisha was 8:9 respectively. 3 years hence the ratio of their ages wile b 11:12 respectively. What is the present age of Amisha? a. 16 years b. 19 years c. 21 years d. cannot be determined e. none of these

The ratio of the ages of a father and his son is 17:7 respectively. Six years ago, the ratio of their ages was 3:1 respectively. What is the father’s present age? a. 64 years b. 48 years c. 51years d. cannot be determined e. none of these

One year ago the ratio of the ages of Sarika and Gouri as 3:4 respectively. One year hence the ratio of their ages will be 10 :13 respectively. What is Sarika's present age? 18\ y e a r s b. 20\ y e a r s c. 26\ y e a r s d. cannot be determine e. none of these

The present ages of Amit and his father are in the ratio 2:5 respectively. Four years hence, the ratio of their age becomes 5:11 respectively. What was the father’s age five years ago? a. 30 years b. 35years c. 40 years d. 45 years e. none of these

Ratio of earnings of A and B is 8 : 9 respectively. If the earnings of A increase by 50% and the earnings of B decrease by 25%, the new ratio of their earnings becomes 16 : 9 respectively. What are A's earnings? R s .22000 b. R s .28500 c. R s .37000 d. cannot be determined e. none of these

The present ages of A, B, and C are in the ratio of 8:14:22 respectively. The present ages of B, C and D are in the ratio of 21:33:44 respectively. Which of the following represents the ratio of the present ages of A, B, C and D respectively? 12 : 21 : 36 : 44 b. 12 : 21 : 33 : 44 c. 12 : 22 : 31 : 44 d. cannot be determined e. none of these

The ratio between the ages of Neelam and Shiny is 5:6 respectively. If the ratio between the one-third age of Neelam and half of Shiny’s age is 5:9, then what is Shiny’s age? a. 25 years b. 30 years c. 36 years d. cannot be determined e. none of these

The ages of A and B are presently in the ratio of 5:6 respectively. Six years hence, this ratio will become 6:7 respectively. What was B’s age 5 years ago? a. 25years b. 30 years c. 31 years d. 36 years e. none of these

Number of student studing in colleges A and B are in the ratio 3:4 respectively. If 50 more sutdents join college A and there is no change in the number of students in college B, the respective ratio becomes 5:6 . What is the number of students in college B?