Question

the simple interest on ₹1200 at a curtain rate for 2.5 year is a₹ 210 find the rate of interest

Answer 1

s.i.=p×r×t/100
210=1200×5×r/200
210=12×5×r
210/60=r
7/2=r

Answer 2

Rate of interest = 7%

Step-by-step explanation:

Given:

Amount invested = 1,200

Total interest = 210

Number of year = 2.5 year

Rate of interest = ?

Computation of rate of interest:

Total interest = Amount invested × Rate of interest × Number of year

210 = 1,200 × Rate of interest × 2.5

Rate of interest = 210 / (3,000)

Rate of interest = 0.07

Rate of interest = 7%

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