Below are the 2015 Grade 10 Math Challenge – Elimination Round questions and answers – Part II. More reviewers can be found on the Past Tests and All Posts pages.
26.) Solve the inequality:
27.) Two non-congruent circles have centers at 
28.) Find the area of a triangle whose vertices have coordinates (2, 3), (-4, 2) and (10, 1).
29.) A jar contains only red and green balls. Ten red balls are added and the green balls now constitute 20% of the total. In addition, ten green balls are added, making the percentage of green balls equal to 40% of the total. How many balls were originally in the jar?
30.) If 
, what is k?
.
and 
.
and 
, find the coordinates of its center.
is an angle in a triangle and 
, find 
. 
is 
. Find the number.
if
of 
is $latex 2.763%4 of 
.
, find the integer closest to 
-
Search It!
-
Recent Entries
- 2016 Grade 9 Math Challenge – Elimination Round with answer key – Part I
- 2017 Grade 9 Math Challenge – Elimination Round with answer key – Part II
- 2017 Grade 9 Math Challenge – Elimination Round with answer key – Part I
- 2013 Grade 9 Math Challenge – Elimination Round with answer key – Part II
- 2013 Grade 9 Math Challenge – Elimination Round with answer key – Part I
- 2014 Grade 8 Math Challenge Elimination Questions with answers – Part 2
- 2014 Grade 8 Math Challenge Elimination Questions with answers – Part 1
- 2016 Grade 7 Math Challenge Elimination Questions with answers – Part 2
- 2014 Grade 7 Math Challenge – Elimination Round with answer key – Part II
- 2016 Grade 8 Math Challenge – Elimination Round with answer key – Part II
-
Links