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Subject :IMO    Class : Class 4
How many possible combination of 1 notebook and one pen can be formed from 5 notebook and 3 pens? (a) 8 (b) 12 (c) 10 (d) 15

Ans 1:

from ,
Class :
(D) 15

Ans 2:

from ,
Class :
(d) 15

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