Quiz-1

P = 8000
CI = 9261
R = 5% PER ANNUM

9261 = 8000( 1+5/100)n
8000(1+5/100)n
(21/20)n= 9261/8000
(21/20) n =( 21/20)3
n= 3

100 ---- 200 ---- 4

400 ---- 4

800 ---- 4

6 1/4% = 1/16

x *15/16 * 15/16 * 15/16 = 21093

x = 25600.24

1525-1300= 225 for 1.5 yrs (3.5-2)
so for one yr 225/1.5= 150
then for 2 yrs interest is 150+150=300
Then principal 1300-300=1000.
Now 150/1000*100= 15%

[P(1+r/100)2]/[P(1+r*1/100)]=6/5
1+r/100=6/5
r/100=1/5
r=20%

Let the principal be Rs x.
Then the SI =4/25x
Rate of interest = Time
r= (100*4/25x)/ x*r
r2 =400/25
r=20/5=4%

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Shyam\'s share * (1+0.05)9 = Ram\'s share * (1 + 0.05)11

Shyam\'s share / Ram\'s share = (1 + 0.05)11 / (1+ 0.05)9 = (1+ 0.05)2 = 441/400

Therefore Shyam\'s share = (441/841) * 5887 = 3087

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