An isotope ""(a)^(b)X undergoes x alpha ...

An isotope `""_(a)^(b)X` undergoes x alpha and y beta disintegrations to from a stable isotope `""_(a-10)^(b-32)Y` The values of x and y are :

A

6,6

B

8,6

C

6,8

D

4,6

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The correct Answer is:

B

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