Math, asked by saswasto, 3 months ago

Q.8) Harvey borrowed some money at the
tu
of 3% p.a. for the first 4 year, at the Rs.80
4% p.a. for the next 3 year and at then what is
the rate of 9% p.a. for the period beyond 7
year. If he pays a total simple interest of Rs.
21000 at the end of 9 year, how much
money did he borrow?​

Answers

Answered by tiwarisuraj7e1290
1

Step-by-step explanation:

Let he borrowed principal P

Interest for first 3 years =

100

PTR

=

100

P×3×6

=

100

18P

Interest for next 5 years=

100

P×5×9

=

100

45P

Interest for next 3 years =

100

P×3×13

=

100

39P

Total Interest =8160

100

18P

+

100

45P

+

100

39P

=8160

⇒18P+45P+39P=816000

⇒102P=816000

⇒P= Rs. 8000

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