Captain Quirk meets Alfy, Betty and Gemma
– 3 aliens. There are two species of
aliens Gibberish (who lie) and Veracitors
(who say the truth)
Captain to Alfy: To which species does Betty
Captain to Betty: Do Alfy and Gemma
belong to different species?
Captain: Gemma, To which species does
Captain: That settles it – we know which
one of these belongs to which species
Do you know?
Flex your brain cells
Solve the following:
ABCD x 4 = DCBA
ON x 4 = GO
The number AABB in Base 10 is a perfect
square of an integer x. Find x.
Magic and magic
Make a 4x4 magic square
I want to arrange 15 cards as follows:
5 9 Arrange the cards such
that each card is the
difference between the
two cards immediately
What did the farmer buy?
A cow costs Rs 10, a pig Rs 3 and sheep
50p. (Well – accept the prices for now!)
A farmer buys 100 animals and atleast
one animal of each kind, spending a total
How many of each animal did he buy?
What is wrong here?
a = b =1
a2 = ab
a2 – b2 = a2 – ab
(a+b)(a-b) = a (a-b)
Canceling (a-b) on both sides, we get
(a + b) = a
2 = 1 !!!
Prove that P4 + 4 is always a
composite number for any p >1
How does this work?
At a party, the
Children take turns
Choosing an animal.
They spell out the
Name as you tap
successive point of the
You must start at
rattlesnake and move
clockwise. As the child spells
the last letter of their animal,
You Tap the correct animal