Question

rupees 4000 amount to rupees 5000 in 8 years in what time will rupees 2100 amount to Rupees 2800 at the same rate​

Answer 1

Answer:

Step-by-step explanation:

Rupees 4000 amount to Rs.5000 in 8 years ; in what time will Rs.2100 amount to Rs.2800 at the same rate ?Read more on Sarthaks.com - https://www.sarthaks.com/163516/rupees-4000-amount-rs-5000-in-years-in-what-time-will-rs-2100-amount-to-rs-2800-at-the-same-rate

Answer 2

Step-by-step explanation:

Assuming simple interest is meant in the question

Ans:

10

2

3

years

Solution 1

4000 amount to Rs.5000 in 8 years.

SI = 5000 - 4000 = 1000

R

=

100

×

S

I

P

×

T

=

100

×

1000

4000

×

8

=

25

8

%

For Rs. 2100 to become Rs. 2800, SI = 2800 - 2100 = 700

T

=

100

×

S

I

P

×

R

=

100

×

700

2100

×

25

8

=

100

3

×

25

8

=

4

3

×

1

8

=

32

3

=

10

2

3