Fast Track Techniques to solve the QUESTIONS of percentage

1. If x% of A is equal to y% of B, then             z% of A = (yz/x) % of B Q.  If 10% of A is equal to 12% of B, then 15% of A is equal to what per cent of B? EXPLANATION  given that, x = 10, y = 12 and z = 15 Therefore, 15% of A = (12 × 15 / 10) % of B                                       = 18 % of B Q. ...

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