In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: on my sister ' s birthday , she was 132 cm in height , having grown 10 % since the year before . how tall was she the previous year ? 
Options: a ) 130 cm , b ) 126 cm , c ) 120 cm , d ) 116 cm , e ) 112 cm

A: c
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Q: Problem: a can do a piece of work in 4 hours ; b and c together can do it in 3 hours , which a and c together can do it in 2 hours . how long will b alone take to do it ? 
Options: a ) 15 hours , b ) 14 hours , c ) 12 hours , d ) 74 hours , e ) 79 hours

A: c
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Q: Problem: a train 360 m long is running at a speed of 45 km / hr . in what time will it pass a bridge 240 m long ? 
Options: a ) 40 sec , b ) 42 sec , c ) 45 sec , d ) 48 sec , e ) 50 sec

A:
d
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