9 squares puzzle: Find area of rectangle with 9 gradually smaller squares inside it and the side length of smallest square 3 units. Time 30 minutes.
Surely you can solve the 3 digit number puzzle in 20 mins if you approach the puzzle with systematic problem solving techniques.
Find area of equilateral triangle if side length of smallest of 3 squares inscribed in the triangle on top of each other is 1. It needs a bit of math.
Two children differ in ages by 5 years. Sum of squares of the ages is 97. Place squares of the ages one after other forming square of mother's age. Find it.
Two Exponent and base puzzles: Both exponent and base of the term in LHS are quadratic equations in single variable and it equals 1. Time to solve 15 mins.
World's hardest easy geometry problem is to be solved by elementary geometry only and that makes it hard. Hint: Increase symmetry in the puzzle figure.
Find the 10 digit number with each digit different and each number formed by first n digits divisible by n. Step by step solution by basic math explained.
5 men and a monkey in an island collect coconuts first day. During night, 1 man wake up, divide coconuts into 5 piles, keep 1 pile...Enjoy easy solutions.
We'll create four new counting eggs puzzles based on Euclid's division lemma besides the original puzzle. And of course, we'll show you how to solve.
Bank cashier mistake puzzle: Double the cheque amount less 20 paise received as Cashier interchanged paise with rupees. What were the cheque figures?
