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Ratio & Proportion*-

Ratio*

Proportion*

Time & work*

नल और टंकी

Average*

Percentage/

Profit and Loss (लाभ और हानि)*

Discount (छूट)*

Dishonest Shopkeeper.

Simple Interest (साधारण ब्याज ).

Compound Interest..

Installment.

Time Speed and Distance..

Boat and Stream*

LCM HCF.@

Number System.*

AP/GP.