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Subject :IMO    Class : Class 8

Which one of the following when placed at the sign of interrogation shall complete the matrix?

(A) E10

(B) E12

(C) S10

(D) S12

Ans 1:

Class : Class 3

Ans 2:

Class : Class 4
from where the 12 come?

Ans 3:

Class : Class 8

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