Ratio and Proportion
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Ratio and Proportion
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25 Questions

1. The ratio of the present age of Mahesh and Ajay is respectively 3 : 2. After 8 years - ratio of their age will be 11 : 8. What will be the present age of Mahesh's son if his age is half of the present age of Ajay?
2. The ratio between the age of a father and a son at present is 5 : 2 respectively. Four years hence the ratio between the age of the son and his mother will be 1 : 2 respectively. What is the ratio between the present age of the father and the mother respectively ?
3. The ratio between the adjacent angles of a parallelogram is 2 : 3 respectively. Half the smaller angle of the parallelogram is equal to the smallest angle of a quadrilateral. Largest angle of quadrilateral is four times its smallest angle. What is the sum of largest angle of quadrilateral and the smaller angle of parallelogram?
4. The ratio between the three angles of a quadrilateral is 13 : 9 : 5 respectively. The value of the fourth angle of the quadrilateral is 36. What is the difference between the largest and the second smallest angles of the quadrilateral?
5. Rita Invested 25% more than Sunil. Sunil invested 30% lessthan Abhinav who invested Rs. 6 - 000. What is the respective ratio between the amount that Rita invested and the total amount invested by all of them together ?
6. Four years ago Shyam's age was ¾ times that of Ram. Four years hence - Shyam's age will be 5/6 times that of Ram. What is the present age of Shyam ?
7. B is 8 years older than A and 8 years younger than C. 12 years hence - respective ratio of the ages of A and C will be 5 : 9. What is the sum of present ages of A - B and C ?
8. The largest and the second largest angles of a triangle are in the ratio of 13 : 12 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 ?
9. At present - the respective ratio between the ages of A and B is 3 : 4 and that between A and C is 1 : 2. Six years hence - the sum of the ages of A - B and C will be 96 years. What is the present age ofA?
10. The ratio of the number of students studying in school A - B and C is 5 : 8 : 4 respectively. If the number of students studying in each of the school is increased by 20% - 25% and 30% respectively - what will be the new respective ratio of the students in school A - B and C ?
11. The largest and the smallest angles of a triangle are in tile ratio of 3 : 1 respectively. The second largest angle of the triangle is equal to 44. What is the value of 150 percent of the largest angle of the triangle?
12. In a college the number of students studying Arts - Commerce and Science are in the ratio of 3 : 5 : 8 respectively. If the number 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 ?
13. 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?
14. The present ages of Ranjana and Rakhl are in the ratio of 15 : 17 respectively. After 6 years - the respective ratio between the age of RanjanaandRakhi will be 9 : 10.What will be the age of Ranjana after 6 years?
15. A sum of money Is divided among A - B - C and D in the ratio of 3 : 5 : 9 : 13 respectively. If the share of C is Rs. 2412 more than the share of A - then what is the total amount of money of B and D together ?
16. If 50% of a certain number is equal to 3/4th of another number - what Is the ratio between the numbers?
17. The age of Sulekha and Aruni-ma are in the ratio of 9 : 8 respectively. After 5 years the ratio of their age will be 10 : 9. What is the difference (in years) between their age?
18. 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 ?
19. The ratio of the present age of Meena and Fiona is 16 : 13 respectively. Four years ago the respective ratio of their age was 14 : 11. What will be Fiona's age four years from now ?
20. The respective ratio of - the present age of a mother and daughter is 7 : 1. Four years ago the respective ratio of their age was 19 : 1. What will be the mother-™s age four years from now?
21. Ratio of Rani-™s and Komal's age is 3 : 5 respectively. Ratio of Komal's and pooja's age is 2 : 3 respectively. If Rani is two-fifth of - Pooja's age - what is Rani-™s age ?
22. In a school the number of boys and that of the girls are In the respective ratio of 2 : 3 - If the number of boys is increased by 20% and that of girls is increased by 10% - what will be the new ratio of number of boys to that of the girls ?
23. -™B-™ is 3 years older than A-™ and-™B-™ is also 3 years younger than -˜C-™.-™3 years hence - the respective ratio between the ages of A and G will be 4 : 5. .What is the sum of the present ages of A - B and C?
24. A vessel contains 64 litres of mixture of milk and water In the ratio 7 : 3 respectively. 8 litres of mixtureIs replaced by 12 litres of milk. What is the ratio of milk and water In the resulting mixture 7
25. A particular sum was divided among A - B and C in the ratio 2 : 6 : 7 respectively. If the amount received by A was Rs. 4 - 908 - what was the difference between the amount received by B and C ?

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