Question

Principal
Rate of Interest
per annum
Time Period
Simple Interest
Amount
0
400
5%
3 years
1
(ii) 450
4-%
2
years 4 months
15-%
2
146 days
(iii) 500
15%
(iv) 1200
8 April to 20 June
1. Find the unknown quantity in each of the following:​

Answer 1

Answer:

P X R X T / 2

Step-by-step explanation:

NOW CAN SOLVE BY THIS FORMULA SIMPLY BY CALCULATION