Advertisements
Advertisements
Question
Which among 432, 672, 522, 592 would end with digit 1?
Options
432
672
522
592
Advertisements
Solution
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
RELATED QUESTIONS
What will be the unit digit of the square of the given number?
1234
What will be the unit digit of the square of the given number?
55555
The area of a square field is 60025 m2. A man cycles along its boundary at 18 km/hr. In how much time will he return at the starting point?
Find the square root of:
\[10\frac{151}{225}\]
The number of perfect square numbers between 300 and 500 is ______
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 number ending in 9 will have the units place of its square as ______.
Which of the following will have 4 at the units place?
The digit at the ones place of 572 is ______.
There are 200 natural numbers between 1002 and 1012.
