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Reasoning

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Alphanumeric Series

Question
4 out of 20
 

The following questions are based on the five three digit numbers given below:

374 659 821 945 247


If 1 is subtracted from the last digit of each of the numbers then in how many numbers thus formed will be the last digit be perfect square (one is also a perfect square)

A None
B one
C two
D three
E four

Ans. B After doing this process last digit be 3,8,0,4,6. So only ‘4’ is a perfect square. So one number

Alphanumeric Series Flashcard List

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