The simple interest on a certain amount of money is 1/4
of the amount in 2 years. Find
the rate per cent.
Answers
Answered by
91
Given
→Simple Interest = x/4
→Time = 2 years
→And the the principal value be x
To Find
→Rate %
Formula
→(100 × S.I)/PT
→ (100 × x/4)/(x × 2)
→(25x)/2x
→25/2
→ 12.5%
So we get Rate per cent = 12.5%
MORE INFORMATION
Some formula related to this chapter
Simple Interest
→I = Prt
Where ,
p = Principal
r = interest rate
t = times
Continuously compounded interest
→A= Peʳᵗ
Where,
P = principal
r= Interest Rate
T = Time
→Compound Interest Formula
→A=p(1+r/n)ᵗ
Where
P = principal
r = interest rate
t = time
Answered by
56
Answer:
Given :-
- Time = 2 years
- Simple interest = 1/4
To Find :-
Rate
Solution :-
At first let principal be y/4
Now,
y/4= P × R × 2/100
y/4 = y × R × 1/50
R = 4 × 1/50
R = 50 × 1/4
R = 50/4
R = 12.5 years
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