Friday, October 18, 2013

A question on age (fr

Jeremy is 11 years old. Jeremy's father is 6 times as old as Jeremy's sister. Jeremy's sister is 30 years younger than his father.l
a) how old is Jeremy's father?
b) how old will Jeremy be when his father is 65 years old?

Friday, October 11, 2013

The Chipmunk and Acorns (fr Mr CCL)

Alvin, the chipmunk, is at the foot of a Supertree (See Point A).  There are some acorns at the top of the Supertree (See Point B).  How many ways are there for the chipmunk at Point A to reach the acorns at Point B?
Note: The chipmunk can only climb upwards and not downwards.