A) \[\text{5}:7\]
B) \[7:5\]
C) \[7:2\]
D) \[2:7\]
Correct Answer: A
Solution :
| \[P'Q'=3PQ=3\times 25=7.5\,cm\] |
| and \[Q'R'=3QR=3\times 3.5=10.5\,cm\] |
| \[\therefore \,\,\frac{P'Q'}{Q'R'}=\frac{7.5}{10.5}=\frac{5}{7}\] or \[5:7\] |
| So, option [a] is correct. |
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