Epic Math Questions.Solve EM!! By Ervin Chia.

1)Mei and Lin took part in a cycling race.Mei cycled at a speed of 20km/h.Both of them did not change their speed throughout the race.When Lin cover 1/2 the distance,Mei was 3.5km in front of her.Mei reached the finishing line at 10.45 am. What time did Lin reach the finishing line?

From here i can extract the following.Hope it helps.
___________3.5km (M)
___________<----->
|-------------------|-------------------------|
__________1/2(L)

Yeah.. thats about all i could extract.


2)ABCD is a square.The shaded parts X and Y are two squares with different areas.All the corners of square X and Y lie either on the sides of square ABCD or on line AC. What fraction of the square ABCD is shaded?(sorry about the bad picture.I drew it myself and put all i could extract in there.)












Should any one of you know the answer, please come to me.I am asking not because i wanna test you but i dunno the answer! By ervin Chia.