Ratio and Proportion
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Ratio and Proportion
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25 Questions

1. 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 ?
2. Smallest angle of a triangle is equal to two-third of the smallest angle of a quadrilateral. The ratio between the angles of the quadrilateral is 3 : 4 : 5 : 6. Largest angle of the triangle is twice its smallest angle. What is the sum of second largest angle of the triangle and largest angle of the quadrilateral?
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 ?
4. 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 ?
5. 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 ?
6. 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 :
7. 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?
8. 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 ?
9. Which of the following represents ab = 64 ?
10. 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
11. 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 ?
12. 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 ? .
13. The ratio between the three angles of a quadrilateral is 1 : 4 : 5 respectively. The value of the fourth angle of the quadrilateral is 60. What is the difference between the value of the largest and the smallest angles of the quadrilateral ?
14. 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 ?
15. The largest and the second largest angles of a triangle are In the ratio of 4 : 3 respectively. The smallest angle Is half the largest angle. What Is the difference between the smallest and the largest angles of the triangle?
16. 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 ?
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 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?
19. 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?
20. The average weight of boys in a class is 45 kg while that of girls Is 36 kg. The average weight of the whole class is 42.25 kg. What is the respective ratio between the number of boys and girls in the class?
21. The ratio between the three angles of a quadrilateral is 1 : 6 : 2 respectively. The value of the fourth angle of the quadrilateral is 45. What is the difference between the value of the largest and the smallest angles of the quadrilateral ?
22. Mr. Pandit owned 950 gold coins all of which he distributed amongst his three daughters Lalita - Amita and Neeta. Lalita gave 25 gold coins to her husband - Amita donated 15 gold coins and Neeta made jewellery out of 30 gold coins. The new respective ratio of the coins left with them was 20 : 73 : 83. How many gold coins did Amita receive from Mr. Pandit?
23. 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?
24. When a number is added to a second number - the sum is 1000/3 percent of the second number. What is the ratio between the first number to the second number?
25. 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?

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