Fordrenis

answers: 1

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Answer:

Answer:

(1) 12.6 % , (2)

(1) Simple Interest = PRT / 100

• P = Rs. 1560

• R = ?

• T = 3 years

• SI = Rs. 585

Substituting in the formula ,

SI = PRT / 100

585 = 1560 × R × 3 / 100

585 × 100 = 1560 × 3 × R

58500 = 4680 R

R = 58500/4680

R = 12.5 %.

(2) Simple Interest = PRT / 100

• P = Rs. 1625

• R = ?

• T = ² 1/2 = 5/2

• SI = Rs. 325

SI = PRT/100

325 = 1625 × R × 5/2 / 100

325 = R× 1625 × 5 / 100 × 2

Multiply 100 on both sides

100 × 325 = R × 1625 × 100 / 2 × 100

R = 325 × 100 × 2 / 1625 × 5

R = 650 × 100 / 1625 × 5

R = 130 × 100 / 1625

R = 13000 / 1625

R = 8 %

237

Luka

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