GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 1

Question

The graph shows styles of music on a playlist. Country music songs are added to the playlist so that now $40\%$ of the songs are Country. If the ratio of Hip Hop songs to Pop songs remains the same, what percentage of the total number of songs are now Hip Hop?

• A. 7
• B. 21
• C. 35
• D. 39

Answer 1

Since $40\%$ of the songs on the updated playlist are Country, then the remaining $100\% - 40\%$ or $60\%$ must be Hip Hop or Pop songs. Since the ratio of Hip Hop songs to Pop songs does not change, then $65\%$ of this remaining $60\%$ must be Hip Hop songs. Overall, this is $65\% \times 60\% = 0.65 × 0.6 = 0.39 = 39\%$ of the total number of songs on the playlist.