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प्रश्न
Match each of the entries in Column I with the appropriate entry in Column II
| Column I | Column II |
| 1. x and y vary inversely to each other | A. `x/y` = Constant |
| 2. Mathematical representation of inverse variation of quantities p and q |
B. y will increase in proportion |
| 3. Mathematical representation of direct variation of quantities m and n |
C. xy = Constant |
| 4. When x = 5, y = 2.5 and when y = 5, x = 10 | D. `p oo 1/q` |
| 5. When x = 10, y = 5 and when x = 20, y = 2.5 | E. y will decrease in proportion |
| 6. x and y vary directly with each other | F. x and y are directly proportional |
| 7. If x and y vary inversely then on decreasing x | G. `m oo n` |
| 8. If x and y vary directly then on decreasing x | H. x and y vary inversely |
| I. `p oo q` | |
| J. `m oo 1/n` |
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उत्तर
| Column I | Column II |
| 1. x and y vary inversely to each other | C. xy = Constant |
| 2. Mathematical representation of inverse variation of quantities p and q |
D. `p oo 1/q` |
| 3. Mathematical representation of direct variation of quantities m and n |
G. `m oo n` |
| 4. When x = 5, y = 2.5 and when y = 5, x = 10 | F. x and y are directly proportional |
| 5. When x = 10, y = 5 and when x = 20, y = 2.5 | H. x and y vary inversely |
| 6. x and y vary directly with each other | A. `x/y` = Constant |
| 7. If x and y vary inversely then on decreasing x | B. y will increase in proportion |
| 8. If x and y vary directly then on decreasing x | E. y will decrease in proportion |
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