Principal: The money borrowed or lent out for a certain period is called the principal or the sum.   Interest: Extra money paid for using other’s money is called interest. At what rate percent per annum will a sum of money double. Quantitative Aptitude: Useful for SSC,CGL, CPO, CPMF, CHSL,Continue Reading

Concept of Percentage To express % as a fraction & decimal Commodity price increases & decrease Population of a city after or before few years Depreciation of Machinery or Plant If A is R% more than B, then B is less than A by Useful for SSC,CGL, CPO, CPMF, CHSL,Continue Reading

B   –    Brackets first –   in the order(), {} and []. O  – Orders (i.e. Powers and Square Roots, etc.) DM – Division and Multiplication (left-to-right) AS- Addition and Subtraction (left-to-right) Useful for : SSC,CGL, CHSL, CPO, CPMF, UPSC, CDS, NDA, GATE, Railways RRB, PO, Clerk, Bank, Army, Force,Continue Reading

Useful for SSC,CGL, CPO, CPMF, UPSC, CDS, NDA, GATE, Railways RRB, PO, Clerk, Bank, Army, Force, Sub-Inspector, Teacher, Constable, Police, Lekhpal, UPSSC, State govt, Jobs and Entrance Examination PROGRESSION  or Sequence:  A succession of numbers formed and arranged in a definite order according to certain definite rule, is called aContinue Reading