Practicing Success
A man purchase a bike and pays the amount at 20% rate of compound interest in 3 equal yearly installment of Rs. 10800 each. Find the price of the bike. |
Rs. 22750 Rs. 24000 Rs. 25550 Rs. 20500 |
Rs. 22750 |
20% → \(\frac{1}{5}\) Principal : Installment 1st ⇒ 5 : 6 2nd ⇒ 25 : 36 3rd ⇒ 125 : 216 * Installment amount for each year should be same* Therefore, Principal : Installment 1st ⇒ 5 : 6 ) × 36 2nd ⇒ 25 : 36 ) × 6 3rd ⇒ 125 : 216 ) × 1
Principal : Installment 1st ⇒ 180 : 216 2nd ⇒ 150 : 216 3rd ⇒ 125 : 216 Sum ⇒ 455 : 216 (Each Installment) ↓ ↓ ×50 ×50 ↓ ↓ 22,750 10,800 (given) |