TIMO Finals 4

Mae drives 45 km due northwest, then 49 km due southwest, then 25 km due southeast, and finally 28 km due northeast. How far is she from her original position in km?

• 41

• 29

• 20

• 18

Find the area of the convex quadrilateral formed using the coordinates (5, −4), (−2, −7), (0,2), (3, −9) as vertices in the coordinate system.

• 11

• 34

• 43

• 28

Find the radius of a circle inscribed in a rhombus with diagonals of length 20 and 48.

• 4 5/8

• 7 13/23

• 9 3/13

• 4 2/5

Determine the number of combination(s) arranging 3 identical white balls, 5 identical red balls and 7 identical black balls in a row

• 289042

• 111999

• 400400

• 360360

In how many ways you can arrange 3 males and 4 females in a circle?

(a)  

• Sunday

• Monday

• Friday

• Tueday

If a 3-digit number has exactly three positive factors, find its maximum value

(a)