PROPORTION PROBLEMS


Location: Telangana, India

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CUBE

Cubes of large numbers are rarely used. Here we are going to practice two-digit number.. First we have remember the cubes up to 10 1 3   = 1               2 3 = 8                3 3 = 27              4 3 = 64              5 3 = 125                                    6 3 = 216            7 3 = 343            8 3 = 512            9 3 = 729      ...
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SQUARING

Squaring is intimately connected with a procedure known as the Duplex Combination process. Example: Duplex of 2 is 2 2 =4 If you want to know Ex: 3 4 2 Step I          : 3 2 / 2( 3 x 4 ) / 4 2 Step II         :9 / 24 / 16  Answer       :11/ 2 5/ 1 6 =>1156 Ex: 3 4 6 Step I          : 3 2 / 2( 3 X 4 ) / 2( 3 X 6 ) + 4 2 / 2( 4 X 6 ) / 6 2 Step II         :  9 / 24             /          52      /48     /36 Answer       : 11 / 2 9 /                     5 7  ...
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