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Assertion (A): If cost of 2 pens is 20, then the cost of 5 pens is 50.
Reason (R) : The method of finding the value of a required number of items by
first finding the value of one item is called the unitary method. I
A) Both A and R are correct and R is correct explanation A
B) Both A and R are correct but R is not correct explanation of A
C) A is correct, R is incorrect
D) A is incorrect, R is correct
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Answer:
A
Step-by-step explanation:
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