Study the given graph and answer the following question

The number of patients aged 10 years or more but less than 40 years is what percent of no. of patients aged 50 years or more but less than 80 years?

72.5%

No. of patients aged 10 or more years but below 40 ⇒ 14 + 20 + 24 = 58

No. of patients aged 50 or more but less than 80 years ⇒ 32 + 26 + 22 = 80

⇒ \(\frac{58}{80}\) × 100 = 72.5%