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An optician holds a test card 50 cm behind a patient. The patient then looks in the plane mirror which is 100 cm away. How far away from the patient's eyes is the image of the test card?the answer should be 300 so why 250 .Kindly Show the full solution plzzz

Q.6. An optician holds a test card 50 cm behind a patient. The patient then looks in the plane mirror which is 100 cm away. How far away from the patient's eyes is the image of the test card?


(A) 100 cm
(B) 150 cm
(C) 200 cm
(D) 250 cm

250 cm
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bwah
 
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Answer should be 250 cm as the man is standing 100 cm away the image of man will be seen at 200 cm but when the man is standing 50 cm ahead the test card the image form will be 250 cm as the patient is standing ahead and not behind.
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