Last 3 sums Q If â‚¹1250 amount to â‚¹1550 in 3 years at simple interest, what will - Maths - Symmetry

Question

Last 3 sums

Q If â‚¹1250 amount to
â‚¹1550 in 3 years at simple interest, what will
â‚¹3200 amount to in 4 year at the same rate?

Q12 A sum of money becomes 8 5 of itself in 5 years at a certain
rate of simple interest Find the rate of interest

Prashant Ranjan · Accepted Answer

Dear Student
Here is the solution to the question (12)

Let the principle be rs x
Time is given as 5 years

So, the amount becomes 8x/5

Now ,
We know that
Si = amount - p
SI =8x/5 - x = 3x/5

Now we also know that
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5d011c7cd44df%20png"
style="width: 373px; height: 217px;">

So, the rate of interest is equal to 12 percent per annum

PS: Kindly post separate question in separate thread

Regards

Last 3 sums Q. If ₹1250 amount to ₹1550 in 3 years at simple interest, what will ₹3200 amount to in 4 year at the same rate? Q12. A sum of money becomes 8 5 of itself in 5 years at a certain rate of simple interest. Find the rate of interest.

Last 3 sums

Q. If ₹1250 amount to ₹1550 in 3 years at simple interest, what will ₹3200 amount to in 4 year at the same rate?

Q12. A sum of money becomes $\frac{8}{5}$ of itself in 5 years at a certain rate of simple interest. Find the rate of interest.