Question

Rs.3200 will amount to Rs 4800 at 12.5%
p. a rate in__years​

Answer 1

Step-by-step explanation:

Amount: Rs. 4800

Principal(P):Rs. 3200

Rate of interest(R):12.5%

To find: Terms of loan(N)=?

Soln: Simple interest= Amount-Principal

= 4800-3200

= 1600

Simple interest= P×N×R

100

1600=3200×N×12.5

100

1600=32×12.5×N

N=1600

32×12.5

=50/12.5

=4

4years.

Answer 2

Answer:

The answer is 4 years

Given problem:

Rs.3200 will amount to Rs 4800 at 12.5%

p. a rate in__years​

Step-by-step explanation:

given Principal amount P = Rs. 3200

 the resultant amount  A = Rs. 4800

            Rate of interest R = 12.5%  

here we need to find time period T in years

Let T be the time period

after T years interest gained = Resultant amount - Principal amount

                                             I  = Rs.4800 - Rs.3200  

                                                = Rs.1600  

the formula for interest is given by  I = $\frac{PTR}{100}$  

                                         $\frac{3200(T)12.5}{100} = 1600$     [ ∵ Interest  = 1600 ]

                                   $3200(T) (12.5) = 1600(100)$

                                               $T = \frac{ 1600(100)}{3200(12.5)}$  

                                               $T = \frac{ 1600}{32(12.5)}$

                                               $T = \frac{ 50}{12.5}$

                                               T =  4