Directions(1-15): Read the Questions carefully and answer the following questions

1. Seats for Maths, Physics and Biology are in the ratio of 5 : 7 : 8 respectively. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the respective ratio of increased seats ?

(1) 2 : 3 : 4

(2) 6 : 7 : 8

(3) 6 : 8 : 9

(4) Cannot be determined

(5) None of these

2. Samira, Mahira and Kiara rented a set of DVDs at a rent of Rs. 578. If they used it for 8 hours, 12 hours and 14 hours respectively, what is Kiaraâ€™s share of rent to be paid ?

(1) Rs. 238

(2) Rs. 204

(3) Rs. 192

(4) Rs. 215

(5) None of these

3. A sum of money is to be divided among four persons in the ratio of 2 : 3 : 4 : 5. Out of the four, one person gets Rs. 200 more than the other and Rs. 100 less than another.

What is the sum ?

(1) Rs. 2800

(2) Rs. 1400

(3) Rs. 4200

(4) Cannot be determined

(5) None of these

4. In a college the number of students studying Arts, Commerce and Science are in the ratio of 3 : 5 : 8 respectively. If the num- ber of students studying Arts, Commerce and Science is increased by 20%, 40% and 25% respectively, what will be the new ratio of students in Arts, Commerce and Science respectively ?

(1) 18 : 35 : 50

(2) 3 : 10 : 10

(3) 4 : 8 : 5

(4) 32 : 35 : 25

(5) None of these

5. 20 boys and 25 girls form a group of social workers. During their membership drive, the same number of boys and girls joined the group (e.g. if 7 boys joined, 7 girls joined). How many members does the group have now, if the ratio of boys to girls is 7 : 8 ?

(1) 75

(2) 65

(3) 70

(4) 60

(5) None of these

6. A sum of money is divided among A, B, C and D in the ratio of 3 : 4 :9 : 10 respectively. If the share of C is Rs. 2,580 more than the share of B, then what is the total amount of money of A and D together ?

(1) Rs. 5,676

(2) Rs. 6,192

(3) Rs. 6,708

(4) Rs. 7,224

(5) None of these

7. Production of company A is 120% of the production of company B and 80% of the production of company C. What is the ratio between the productions of companies A, B and C respectively ?

(1) 6 : 5 : 9

(2) 6 : 5 : 4

(3) 12 : 10 : 15

(4) 10 : 12 : 15

(5) None of these

8. Number of students in Arts and Science faculties in an institute are in the ratio of 5 : 8 respectively. If 150 more students join Art faculty while 80 more students join Science faculty, the respective ratio becomes 3 : 4. Originally what was the total number of students in both faculties together ?

(1) 1200

(2) 1400

(3) 1150

(4) Cannot be determined

(5) None of these

9. 75% of a number is equal to 5/8th of another number. What is the ratio between the first number and the second number respectively ?

(1) 5 : 4

(2) 6 : 5

(3) 4 : 5

(4) 5 : 6

(5) None of these

10. In a test, a candidate secured 336 marks out of maximum marks â€˜xâ€™. If the maximum marks â€˜xâ€™ were converted into 400 marks, he would have secured 192 marks. What were the maximum marks of the test ? (1) 700

(2) 750

(3) 500

(4) 650

(5) 800

11. Which of the following represents ah = 64 ?

(1) 8 : a = 8 : b

(2) a : 16 = b : 4

(3) a : 8 = b : 8

(4) 32 : a = b : 2

(5) None of these

12. The ratio of the number of students studying in schools A, B and C is 5 : 8 : 4 respectively. If the number of students studying in each of the schools is increased by 20%, 25% and 30% respectively, what will be the new respective ratio of the students in schools A, B and C ? (1) 13 : 25 : 15

(2) 20 : 25 : 13

(3) 15 : 25 : 13

(4) Cannot be determined

(5) None of these

13. When 30% of one number is subtracted from another number, the second number reduces to its own four-fifth. What is the ratio between the first and the second numbers respectively ?

(1) 4 : 7

(2) 3 : 2

(3) 2 : 5

(4) Cannot be determined

(5) None of these

14. The largest and the second largest angles of a triangle are in the ratio of 3 : 2 respectively. The smallest angle is 20% of the sum of the largest and the second largest angles. What is the sum of the smallest and the second largest angles ?

(1) 80Â°

(2) 60Â°

(3) 100%

(4) 90Â°

(5) None of these

15. The ratio between the angles of a quadrilateral is 7 : 2 : 5 : 6 respectively. What is the sum of double the smallest angle and half the largest angle of the quadrilateral ?

(1) 162Â°

(2) 198Â°

(3) 99Â°

(4) 135Â°

(5) None of these