Question

rate=12% time=2 1/2 years S.I=1200 find principal and amount​

Answer 1

Answer:

Step-by-step explanation:

Simple Interest (I) = Rs 450

Explanation:

Principal (P) = Rs1200

Time(T) = 3 years

Rate of interest (R) = 12½%

= 25/2%

Simple Interest (I) =(PTR)/100

= (1200×3×25)/(100×2)

= 6×3×25

= Rs 450

Therefore,

Simple Interest (I) = Rs 450

Answer 2

Step-by-step explanation:

S.I = Rs. 1200

R = 12%

T = 5/2yrs

PRINCIPAL= SI * 100

R * T

P = 1200 * 100 *2

12 * 5

P= 100*20*2

P= 4000 Rs.

principal = Rs. 4000

Amount= principal+ Simple interest

Amount = 4000+1200

Amount = 5200Rs.

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