Answer / tripti shrivastava

90%

Answer / vimlesh sharma

let x% hit ratio then
x/100 * 20 + (1-x/100)*120 =28
x=92
which is showing 90% hit ratio

Answer / sailekshmi

access time = time for associative memory * hit ratio + time for main memory (1-hit ratio)
let x be the hit rate
28 = 20*x + 100(1-x)
x = 0.9
hit rate= 90%

how the class is instance of object?

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