hit ratio computation

Question

Consider a 4-way set associative cache that has 8 lines,with perfect LRU cache replacement and supports a block size of
16 bytes.
For the following memory access pattern (shown as byte addresses), find the hit ratio?
3, 5, 6, 21, 32, 14, 5, 10, 11, 12 ?

Comments

7 hits,3 misses hit ratio is 70%

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I was also getting the same but the answer key was having some different solution. so thanks for confirming.