Practicing Success
A number P is 20% more than a number Q but 10% less than a number R. What percentage is number Q of number R? |
80 85 75 90 |
75 |
20% = \(\frac{1}{5}\) & 10% = \(\frac{1}{10}\) Ratio of , P : Q = 6 : 5 P : R = 9 : 10 ⇒ P : Q : R = 18 : 15 : 20 Required percentage = \(\frac{15}{20}\) × 100 = 75% |