1.

A sum of rs 1780 became rs 2136 in 4 years find the rate of interest​

Answer»

Answer:

5%

Step-by-step explanation:

AMOUNT = 2136

SI = Amount-Principal

= 2136-1780 = 356

R = SI*100/P*T

= 356*100/1780*4

= 35600/7120

= 3560/712

= 5

= 5%



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