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Basic maths

Basic concepts on maths, mostly up to class 10. This is the most important math knowledge used in almost all competitive exams.

How old is Mommy - Puzzling Problem on Ages Solved in Easy Steps by Systematic problem solving


The difference of ages of two children and the sum of the squares of their ages are given. The mother's age can be formed by placing squares of the ages of the two children one after the other forming a 4-digit number. Such a problem hides key patterns that, if discovered, give you the solution immediately...


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