A sum of rs 80 amount to rs 83.20 in 2 year. What will be amount for a sum of rs86 four year at the same rate of simple interest?
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Answer:
6.88
Step-by-step explanation:
p=80
a=83.2
t= 2 yrs
r=?
si= 83.2 - 80
= 3.2
r= SI ×100 / P × T
= 3.2 × 100 / 80 × 2
= 2%
THEN:
P= 86
T=4
R=2%
SI=?
SI= P×R×T /100
= 86 × 2 × 4 /100
= 6.88
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