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

Q: Problem: the second angle of a triangle is double the first ( 110 ) . the third angle is 40 less than the first ( 15 ) . find the first angle . 
Options: a ) 35 , b ) 45 , c ) 55 , d ) 65 , e ) 75

A: c
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Q: Problem: find the area of a parallelogram with base 24 cm and height 16 cm . 
Options: a ) 379 , b ) 384 , c ) 345 , d ) 342 , e ) 376

A: b
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Q: Problem: the lateral surface area of cuboid length 12 m , breadth 8 m and height 6 m . 
Options: a ) 540 , b ) 240 , c ) 440 , d ) 140 , e ) 340

A:
b
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