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Ratio and Proportion
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Ratio and Proportion
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25 Questions

1. Four years ago - the respective ratio between the age of Ram and that of Sonu - was 4 : 9. Tina is ten years older than Ram. Tina is ten years younger than Sonu. What is Tina's present age ?
2. The respective ratio between the present age of son - mother - father and grandfather is 2 : 7 : 8 : 12. The average age of son and mother Is 27 years. What Will be mother-™s age after 7 years?
3. 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?
4. Which of the following represents ab = 64 ?
5. 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 ?
6. 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?
7. A sum of Rs. 221 is divided among X - Y and Z such that X gets Rs. 52 more than Y. Y gets % 26 more than Z. The ratio of the shares of X - Y and Z respectively is :
8. 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 ?
9. 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 ?
10. The ratio between the angles of a quadrilateral is 3 : 4 : 6 : 7. Half the second largest angle of the quadrilateral is equal to the smaller angle of a parallelogram. What is the value of adjacent angle of the parallelogram ?
11. -™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?
12. 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?
13. 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 ?
14. 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?
15. Number of students in Arts and Science faculties in an institute are in the ratio of 5 : 8 respectively. If 150 more students join ' Arts 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 ?
16. 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?
17. The ratio between the angles of a quadrilateral is 3 : 4 : 6 : 5. Two-third of the largest angle of the quadrilateral is equal to the smaller angle of a parallelogram. What is the value of adjacent angle of the parallelogram ?
18. The ratio between the adjacent angles of a parallelogram is 7 : 8 respectively. Also the ratio between the angles of quadrilateral is 5 : 6 : 7 : 12. What is the sum of the smallest angle of parallelogram and second largest angle of the quadrilateral?
19. The respective ratio between the present age of Ram - Rohan and Raj is 3 : 4 : 5. If the average of their present age is 28 years then what would be the sum of the age of Ram and Rohan together after 5 years?
20. 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 ?
21. 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 ?
22. 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 ?
23. 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 ?
24. 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 ?
25. 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 ?.

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