The table below gives the age-wise distribution of number of people who responded to a survey about their favourite style of dance. As per information given in the table, what approximate percentage of the respondents till the age of 30 years indicated that Dandiya is their favourite style of dance? (Give your answer upto two decimal places)

21.43%

Till age of 30 years , Number of of person with Dandiya as their favourite dance = 7 + 8 = 15

Till age of 30 years , Total number of person = 36 + 34 = 70

Required percentage = \(\frac{15}{70}\) × 100

= 21.43%