Remove 2 matchsticks from the matchstick puzzle figure of 8 triangles to leave 6 triangles. How many solutions can you find? Recommended time 30 minutes...
Find the 10 unique digit number having the special property that the number formed by digits from left to right up to the place for each of the 10 places is divisible by the place number—is a beautiful puzzle presented by John Conway. It is a large and complex puzzle but can be solved using only the basic concepts taught in middle schools…
Three couples—king and queen, and minister and washerman with their wives have to cross a river in a boat that can carry at most 2 passengers at a time. The husbands are jealous and without her husband, no lady can be left on any side of the river with other male(s). To make matters worse, the washerman or washerwoman can travel together but not with anyone of the other two couples. Each of the six can row the boat...
This time Three humans, one big monkey and two small monkeys are to cross a river in a boat that can carry at most two, only the humans and the big monkey can row the boat and most alarmingly—at all times number of monkeys must not become more than the number of humans on any bank of the river, Or else the humans will be eaten by the monkeys!....
Two pigs and two hens must cross the river in a boat that starts for the opposite bank automatically when one of the four comes aboard. Constraint is—two pigs cannot cross the river in the boat together—it will sink....
The 90th set of 10 questions for SSC CGL on Algebra is followed by answers and then the detailed explanatory solutions. This is the 18th question and solution set for SSC CGL Algebra. For maximum gains, the test should be taken first, and then only the solutions are to be referred to...
The 13th set of 10 questions on Algebra for SSC CHSL is followed by answers and then the detailed explanatory solutions. For maximum gains, the test should be taken first, and then only the solutions are to be referred to...
The 12th set of 10 questions on Algebra for SSC CHSL is followed by answers and then the detailed explanatory solutions. For maximum gains, the test should be taken first, and then only the solutions are to be referred to...
The 11th set of 10 questions on Algebra for SSC CHSL is followed by answers and then the detailed explanatory solutions. For maximum gains, the test should be taken first, and then only the solutions are to be referred to...
This is the 12th matchstick puzzle with solution. You have to move 8 matchsticks in a figure made up 5 squares and reduce the number of squares to 2. How many unique solutions can you find? In how many ways can you solve the puzzle?
