AIMO 2017 (Grade 9) – A Magic Square Product Problem & Solution in image

Question: “Liam’s house has a staircase with 12 steps. He can go down the steps one at a…
Answer Here it is : Let A(n) denote the nth term. 1 x 1 = 1 = A…
Question and Solution in Images Alternate Solution
If five people can build five houses in five days, how many days does it take 100 people…
Answer There are two type of numbers greater than 3000 that can be formed here namely, 4 digit…
Someone asked (Question): “You have 17 red and 17 blue balls, and you remove 2 at a time….