Question

Q. In what time will 2000 lent at 5% p.a fetch 2050 at C.1?​

Answer 1

Step-by-step explanation:

P=Rs.2000

R=5%

A=Rs.2205

A=P(1+

100

R

)

n

⇒2205=2000(1+

100

5

)

n

⇒

2000

2205

=(

100

105

)

n

⇒

400

441

=(

20

21

)

n

⇒(

20

21

)

2

=(

20

21

)

n

∵ Powers are equal if bases are equal n=2 i.e., Time =2 years

Answer 2

i dont know

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