Class VI Entrance Exam Revision - Formula For RMS- Sainik

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ssb- rms- rims- sainik coaching academy


Formula
Average = sum of all quantity ÷ No of qty
Percentage means out of 100 is 80% = 80 / 100
Simple interest = Principal x rate of interest x Time ÷ 100
Amount = Principal + simple interest,     Rate of interest = SI x 100 / P x Time
Time =                     SI x 100/ P x N 
Selling price (In case of profit/ gain)   Cost Price + Profit
Cost Price (In case of Loss) = Selling Price + Loss
Distance travelled = Speed X time
Speed = Distance ÷ Time     &      Time = Distance ÷ Speed
% Percent =   Gain amount / Cost Price   x 100
% Loss       =   Loss amount / Cost Price    x 100
Area of a Square = Side x side (Square units)
Area of a Rectangle = Length x Breadth Square Units
Area of a triangle = ½ x Base x Height square units
Area of a circle     = Pie (22/ 7) x Radius x Radius square units
Perimeter of a Square   = 4 x side units
Perimeter of a rectangle = 2 (length + breadth) Units
Perimeter of a Triangle = sum of all sides units
Perimeter of a circle = 2 x Pie (22/ 7) x Radius Or Pie D  (Radius = Diameter/ 2)
Volume of a cube = side x side x side cubic units
Volume of a cuboid – length x breadth x height cubic units 
Total Cost (Number of Units) x (Price per Unit)

PYTHAGOREAN THEOREM  a² + b² = c²  where a and b are legs, and c is the hypotenuse, of a right triangle

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