If 384 is added in a number then result becomes 157\(\frac{1}{7}\) % of itself. Find the number. |
580 672 680 572 |
672 |
157\(\frac{1}{7}\)% = 100 + 57\(\frac{1}{7}\) ↓ ↓ Original amount added 57\(\frac{1}{7}\)% = \(\frac{4}{7}\) [4 is added, 7 is original] 4 → 384 7 → \(\frac{384}{4}\) × 7 = 672 |