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Problems on Ages (Quick Tips and Tricks) 1) If the current age of a person be X, then - age after n years = X + n - age n years ago = X – n - n times the age = nX - If ages in the numerical are mentioned in ratio A : B, then A : B will be AX and BX 2) If sum of ages...
For Practive use this Exercise https://gyangossip.com/average-test-part-1/mock-test/T12405
1. Factor and Multiples : Factoring is like taking a number apart. It means to express a number as the product of its factors. Factors are either composite numbers or prime numbers (except that 0 and 1 are neither prime nor composite). The number 12 is a multiple of 3, because it can be divide...