Question

a salesperson, with a view to promote sales of an item, applies the priciple of simple interest. he declares that 300 pieces of the item can be obtained immediately against cash payment, but a customer will get only 200 pieces of the item if he defers the payment for a year. what is the rate percentage of interest on the whole?​

Answer 1

Answer:

STEP :-

SI =P×R×T

100

SI = P×200×1

100

300 = P×200×1

100

(zeroes are cancelled)

300 = P ×2×1

300 = P×2

(P is a multiplcator of two then he going to place of 300 then 300 is multiply by 2)

P = 300×2

P = 600

SOLUTION :- The rate pecentage of interest on the whole is 600 percent