Question

find the principal when:-

ii) simple interest at 7 hole 1/2 % per annum for 2 years 4 months is Rs 2730..
(Give me Correct answer.)
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Answer 1

Step-by-step explanation:

by the formula,

prt/100=2730

r=1/2%=50%

t =2+1/3=7/3

p×50×7/3= 2730× 100

p ×50× 7/3 =273000

p×50=273000×3/7

p×50=117000

p= 117000/50

p=2340

Answer 2

S.I. = Rs.2730

$rate \: \: = 7 \frac{1}{2} \% \: = \frac{15}{2} \% \: \: p.a$

Time (T) = 2 years 4 months

$= 2 \frac{1}{3} = \frac{7}{3} \: years \:$

$principal \: = \frac{s .\: i \times 100}{r \times t} \\ = \frac{2700 \times 100 \times 2 \times 3}{7 \times 15} = rs.15600$