Ratio and Proportion
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Ratio and Proportion
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25 Questions

1. 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 ?.
2. 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 ?
3. When 30% of one number is subtracted from another number - the second number reduces to its own fourfifth. What is the ratio between the first and the second numbers respectively?
4. A certain amount was to be distributed among A - B and C in the ratio 2 : 3 : 4 respectively - but was erroneously distributed in the ratio 7 : 2 : 5 respectively. As a result of this - B got Rs. 40 less. What is the amount?
5. 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?
6. 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?
7. 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?
8. Rohit has some 50 paisa coins - some 2 rupee coins - some 1 rupee coins and some 5 rupee coins. The value of all the coins is Rs. 50. Number of 2 rupee coins is 5 more than that of the 5rupeecoins. 50 paisa coins are double In number than 1 rupee coins. Value of 50 paisa coins and 1 rupee coins is Rs. 26 - How many 2 rupee coins does he - have?
9. Present age of Amit and his father are in the ratio of 2 : 5 respectively. four years hence the ratio of their age becomes 5 : 11 respectively. What was father-™s age five years ago ?
10. The respective ratio between the present age of Aarti and Savita Is 5 : x. Aarti Is 9 years younger than Jahnavi. Jahnavi-™s age after 9 years will be 33 years. The difference between Savita-™s and Aarti-™s age is same as the present age of Jahnavi. What will ( come in place of x ?)
11. An amount of money is to be divided among P - Q and R in the ratio of 3 : 5 : 7 respectively. If the amount received by R is Rs.4 - 000 more than the amount received by Q - what will be the total amount received by P and Q together ?
12. Which of the following represents ab = 64 ?
13. 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 ?
14. 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?
15. 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
16. 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?
17. Respective ratio between total number of students studying in College A and College B is 5 : 8. In College B. out of the total number of students - 5/8th is boys - out of which 60% study Commerce and the remaining 800 boys study in other streams. What is the total number of students In College A ?
18. The respective ratio between the present age of Ram and Rakeshis 6 : 11. Four years ago the ratio of their age was 1 : 2 respectively. What will be Rakesh-™s age after five years?
19. .Income of two companies A and B are in the ratio of 5 : 8. Had the income of company A' been more by Rs. 25. lakhs - the ratio of their income would have been 5 : 4 respectively. What is-the income of company -˜B-™ ?
20. Twenty five percent of Pranab-™s annual salary is equal to eighty percent of SuRya-™s annual salary. Surya-™s monthly salary is forty percent of Dheeru-™s monthly salary. If Dheeru-™s annual salary is Rs. 6 lacs - what is Pranab's monthly salary ?
21. The ratio of present ages of P and Q is 8 : After 4 years their ages will be in the ratio 4 : 3 respectively. What will be the ratio of P-™s age after 7 years from now and Q's age now?
22. The age of Sonal and Mitya are in the ratio of 9 : 5 respectively. After 8 years the ratio of their age will be 13 : 9. What is the difference (in years) between their age ?
23. Salaries of A - B and C are in the ratio of 2 : 3 : 5 respectively. If their salaries were increased by 15% - 10% and 20% respectively what will be the new respective ratio of their salaries ? .
24. 15 years ago the average age of a family of four members was 40 years. Two children were bom in that span of 15 years. The present average age of the family remained unchanged. Among the two children who were bom in between the 15 years. If the older child at present is 8 years more than the younger one - what is the respective ratio between the present age of the older child and the present age of the younger child 7
25. 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?