UK Math Trust Senior Question – When is the first time this sequence doesn’t have an integer term?
Question and Solution are in Images attached.
Similar Posts
Let n, m be an element of Z+ and a,b be elements of Z. Suppose that a=b(modn) and a =b(modm) and that (n,m)=1. Prove that a=b(mod nm)
Answer Z+ means positive integers. Proof. (a – b) is divisible by n. (a – b) = pn…
A Basic PigeonHole Question
Question Allison has a box of coloured ribbons. There are 12 red ribbons, 11 white ribbons, 10 yellow…
The Birthday Problem
Several people have queried me on this…
Can someone PROVE hero’s (or Heron’s) formula?
Answer We use the formula area = (1/2)bc.sin(A) The formula above can be “proven” easily by definition that…
Math Olympiad Class 23 Sep 2016 at GovindMaths Kajang
Math Olympiad at GovindMaths Kajang 23-Sep-2016 Question Let n be a four digit integer whose digits are all…
ICAS Math 2014 Q34 Paper GH
(Both the question & a possible solution may be found in the images below)
