Advertisements
Advertisements
प्रश्न
Which among 432, 672, 522, 592 would end with digit 1?
पर्याय
432
672
522
592
Advertisements
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
What will be the unit digit of the square of the following number?
26387
The following number are obviously not perfect square. Give reason.
222222
The square of which of the following number would be an odd number?
3456
Find the greatest number of 4 digits which is a perfect square.
The cost of levelling and turfing a square lawn at Rs 2.50 per m2 is Rs 13322.50. Find the cost of fencing it at Rs 5 per metre.
Find the smallest number which must be added to 2300 so that it becomes a perfect square.
225 square shaped mosaic tiles, area 1 square decimeter exactly cover a square shaped verandah. How long is each side of the square shaped verandah?
A group of 1536 cadets wanted to have a parade forming a square design. Is it possible? If it is not possible, how many more cadets would be required?
The units digit in the square of 1294 is ______.
There are 200 natural numbers between 1002 and 1012.
