Q 1482245137.     A substance undergoes first order decomposition according to the parallel reaction

`k = 1.3 xx 10^(-5) sec^(-1)`

`k' = 4xx10^(-6) sec^(-1)`

The `%` of `Y` and `Z` are

A

`76.5%` and `23.5 %`

B

`55%` and `45%`

C

`78%` and `22 %`

D

`25%` and `75%`

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