Question

Find the% Profit, if ratio of
mark up to s.p is 3:5 and Discount
to c.p. is 2:7​

Answer 1

Answer:

Suppose you are using a meter scale (metalic) marked 0 to 100cm .Let the scale is graduated at 20°c & you are taking reading at 40°c . Let the scale becomes 101cm but you count it 100cm so measured reading is less than actual reading .metallic mercury and not its oxideny electrons are required to discharge 3 moles of Ca++ ion2^m+3×3^2m-n×5^m+n+3×6^n+1/(6^m+1×10^n+3×15^m