Can you help with this maths Question?

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
-------------------------------------------------------------------------------------------------------
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

Quote:

---

Originally Posted by 0110kim

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

---

try drawing the figure..

Quote:

---

Originally Posted by 0110kim

-------------------------------------------------------------------------------------------------------
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

---

if is the number of marbles, then
of are red:
of are green:
are yellow:

therefore:
solve for ..

EDIT: tell us what you got after you're done..