Question
Which of the following will have 1 in its unit's place?
Answer: Option B
:
B
The square of a number will end in 1,if the digit in the units place is either1 or 9.
We know that12=1and92=81.
Among the given options, 161 has 1in its units place.
Hence,(161)2will have 1 in its unitsplace.
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:
B
The square of a number will end in 1,if the digit in the units place is either1 or 9.
We know that12=1and92=81.
Among the given options, 161 has 1in its units place.
Hence,(161)2will have 1 in its unitsplace.
Was this answer helpful ?
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