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Subject :IMO    Class : Class 5

How many different possible combinations of one colour pencil and one rubber cap can be formed from 5 different colour pencils and 6 different rubber caps?



A 22
B 25
C 36
D 30


25

Ans 1:

Class : Class 5
the answer is 30

Ans 2:

Class : Class 5
30 because 1pencil with 1 cap this way 6 pairs and 5 pencils means 6x5=30

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6
Correct answer is D.

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