Advertisements
Advertisements
Question
A perfect square can never have the following digit in its ones place.
Options
1
8
0
6
Advertisements
Solution
8
Explanation:
We know that, a number ending with digits 2, 3, 7 or 8 can never be a perfect square.
Clearly, a perfect square can never have the digit 8 in its one’s place.
APPEARS IN
RELATED QUESTIONS
What will be the unit digit of the square of the given number?
272
What will be the unit digit of the square of the given number?
799
The square of which of the following number would be an odd number?
3456
A General arranges his soldiers in rows to form a perfect square. He finds that in doing so, 60 soldiers are left out. If the total number of soldiers be 8160, find the number of soldiers in each row.
Find the value of:
`sqrt72 xx sqrt338`
Without doing the actual addition, find the sum of:
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23
Write three sets of Pythagorean triplets such that each set has numbers less than 30.
Find the square of the following number
17
Find the length of a room whose area is `153/10` sq.m and whose breadth is `2 11/20` m
There is no square number between 50 and 60.
