Ratio and Proportion
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Ratio and Proportion
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25 Questions

1. 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 ?
2. One of the angles of a quadrilateral is thrice the smaller angle of a parallelogram. The respective ratio between the adjacent angles of the parallelogram is 4 : 5. Remaining three angles of the quadrilateral are in ratio 4 : 11 : 9 respectively. What is the sum of the largest and the smallest angles of the quadrilateral?
3. Radha-™s present age is three years less than twice her age 12 years ago. Also the respective ratio between Raj-™s present age and Radha-™s present age is 4 : 9.What will be Raj'S age after 5 years ?
4. A and B together can complete atask in 15 days. B and C together can complete the same task in 20 days. A and C together can complete the same task in 30 days'. What is the respective ratio of the number of days taken by A while completing the same task alone to the number of days taken by C while completing the same task alone?
5. Ratio of the earnings of A and B is 4 : 7 respectively. If the earnings of A increase by 50% and the earnings of B decrease by 25% the new ratio of their earnings becomes 8 : 7 respectively. What are A's earnings ?
6. 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?
7. 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 ?
8. 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 ?
9. 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?
10. 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?
11. 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?
12. 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 Kiara-™s share of rent to be paid ?
13. The respective ratio of the present age of Swati and Trupti is 4 : 5. Six years hence the respective ratio of their age will be 6 : What is the difference between their age?
14. In a test - a candidate secured 336 marks out of maximum marks 'x - If the maximum marks -˜x-™ were converted into 400 marks - he would have secured 192 marks - What were the maximum marks of the test ?
15. If 50% of a certain number is equal to 3/4th of another number - what Is the ratio between the numbers?
16. 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?
17. 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 ?
18. 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?
19. 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 ?
20. 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?
21. 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?
22. 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 ?
23. The age of Khushi and Jagriti are in the ratio of 5 : 8 respectively. After 8 years the ratio of their age will be 3 : 4. What is the difference in their age ?
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. 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?

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