| (i) If x and y are in direct proportion, then (x-1) and (y-1) are also in direct proportion. |
| (ii) If x and y are in inverse proportion then (x+2) and (y+2) are also in inverse proportion. |
| (iii) Two quantities x and y are said to vary directly with each other if \[\frac{x}{y}=k\], where k is a positive constant. |
| (iv) When distance is kept fixed, then speed and time vary inversely with each other. |
A)
(i) (ii) (iii) (iv) T F F T
B)
(i) (ii) (iii) (iv) T T F F
C)
(i) (ii) (iii) (iv) F F T T
D)
(i) (ii) (iii) (iv) T F T F
Correct Answer: C
Solution :
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