Advertisements
Advertisements
प्रश्न
Which among 432, 672, 522, 592 would end with digit 1?
विकल्प
432
672
522
592
उत्तर
592
Explanation:
We know that, unit’s digit of the square of a natural number is the unit’s digit of the square of the digit at unit’s place of the given natural number.
∴ Unit's digit of 432 = 9 ...[∵ 32 = 9]
Unit's digit of 672 = 9 ...[∵ Unit’s digit of 72 is 9]
Unit's digit of 522 = 4 ...[∵ 22 = 4]
Unit's digit of 592 = 1 ...[∵ Unit’s digit of 92 is 1]
Clearly, the square of 592 end with digit 1.
APPEARS IN
संबंधित प्रश्न
The following number are obviously not perfect square. Give reason.
23453
The square of which of the following number would be an odd number?
42008
Find the least number of 4 digits which is a perfect square.
Find the least number of six digits which is a perfect square.
Without doing the actual addition, find the sum of:
1 + 3 + 5 + 7 + 9 + ……………… + 39 + 41.
The square of 75 is 4925
Find the square of the following number
17
Which of the following will have 4 at the units place?
The units digit in the square of 1294 is ______.
A perfect square can have 8 as its units digit.
