Always Perfect
Show that if you add 1 to the product of four consecutive numbers the answer is ALWAYS a perfect square.
Show that if you add 1 to the product of four consecutive numbers the answer is ALWAYS a perfect square.
Can you find the distance between the two trees using the information given?
Two brothers belong to a club with 10 members. Four are selected for a match. Find the probability that both brothers are selected.
There are many different methods to solve this geometrical problem - how many can you find?
The equation a^x + b^x = 1 can be solved algebraically in special cases but in general it can only be solved by numerical methods.
Can you find the area of the central part of this shape? Can you do it in more than one way?
Can you work out the equations of the trig graphs I used to make my pattern?
Do you have enough information to work out the area of the shaded quadrilateral?
Which is the bigger, 9^10 or 10^9 ? Which is the bigger, 99^100 or 100^99 ?
Stick some cubes together to make a cuboid. Find two of the angles by as many different methods as you can devise.