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: 82 a 7 + 6 b ____ 190 if a and b represent positive single digits in the correctly worked computation above , what is the value of a + 2 b ? 
Options: a ) 2 , b ) 6 , c ) 9 , d ) 11 , e ) 12

A: b
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Q: Problem: a train 110 meters long completely crosses a 280 meters long bridge in 38 seconds . what is the speed of the train is ? 
Options: a ) 32 , b ) 45 , c ) 40 , d ) 66 , e ) 09

A: c
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Q: Problem: how many plants will be there in a circular bed whose outer edge measure 34 cms , allowing 4 cm 2 for each plant ? 
Options: a ) 18 , b ) 750 , c ) 23 , d ) 120 , e ) none of these

A:
c
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