TNPSC MATHS | Profit and loss shortcut tricks | #tnpsc #tnpscgroup4 #tnpscgroup2

TNPSC MATHS | Simple interest shortcut tricks |

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லாப நட்ட கணக்குகள்
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[infinity]

Sp1 - cp = cp - sp2
2cp = sp1 + sp 2
Cp = (sp1+sp2)/2