A picnic attracts 200 persons. There are 20 more men than women, and 20 more adults than children. How many men are at this picnic?	Options:
A) 240
B) 65
C) 110
D) 130
E) 200

Rationale: adult + children = 200 let , children = y then , adult = y + 20 i . e . y + ( y + 20 ) = 200 i . e . y = 900 i . e . adult = 90 + 20 = 110 adults include only men and women i . e . men + women = 110 let women , w = x then men , m = x + 20 i . e . x + ( x + 20 ) = 2 x + 20 = 110 i . e . x = 45 i . e . men , m = 45 + 20 = 65 answer : option b
Answer: B