Question

A sum of money becomes rupees 30000 in 2 years and rupees 3250 in 3 years. Find the principal and the rate of interest?



Plzz answer ​

Answer 1

Answer:

10%

Step-by-step explanation:

difference between 3rd year and 2nd year interest is = 3250-3000= 250

250 is 1 year interest. then 2 year interest is 500.

3000-500 = 2500 is principle

si= pRT/100

now 250= 2500x1xR/100

then 25R= 250

R= 10% answer

Answer 2

Answer:

Correct option is

A

Rs. 2500 and 6%

A sum of money at simple interest amounts Rs. 2,800 in 2 years and Rs.3.250 in 5 years

∴ Interst paid in 3 years =3250−2800=450 Rupees

Annual Interest =450÷3=150 Rupees

Sum lent at the begining =2800−150×2=2500 Rupees

Rate of simple Interest =(150/2500)×100=6 percent