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Subject :IMO    Class : Class 4

Prerna can type 90 words in 180 seconds. Find the number of words can she type in 300 seconds, if she maintains the constant speed.

A 100
B 150
C 780
D 200


how to solved this problem?

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
** The answer is B **

Ans 3:

Class : Class 4
*OPTION B*

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