PQRS is a square and points E and F are outside the square so that PQE and QRF are equilateral triangles. The size of EQF in degree, is
(A) 60
(B) 90
(C) 120
(D) 150
(E) 180
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Marbles of three differents colors are in a tin and two fifths of the marbles are red, one third are green and the remaining twelve are yellow. the number of marbles in the tin is:
A 30
B 45
C 54
D 60
E 90