Practicing Success
A sum of ₹950 is lent out in two parts in such a way that the interest on one part at 6% for 5 years and second at 4% for 5 years is equal to ₹200. Find the two sums. |
₹150; ₹950 ₹100; ₹850 ₹250; ₹650 ₹150; ₹850 |
₹100; ₹850 |
\(\frac{p1 × 6% × 5 }{100}\) + \(\frac{p2 × 4% × 5 }{100}\) = 200 ⇒ \(\frac{P₁×3}{10}\) + \(\frac{P₂×2}{10}\) = 200 ⇒ \(\frac{P₁×3}{10}\) + \(\frac{(950 - P₁)×2}{10}\) = 200 ⇒ P₁ + 1900 = 2000 ⇒ P₁ = 100 P₂ = 950 - 100 = 850 |