Advertisements
Advertisements
प्रश्न
Write five numbers for which you cannot decide whether they are squares.
Advertisements
उत्तर
A number whose unit digit is 2, 3, 7 or 8 cannot be a perfect square.
On the other hand, a number whose unit digit is 1, 4, 5, 6, 9 or 0 might be a perfect square (although we will have to verify whether it is a perfect square or not).
Applying the above two conditions, we cannot quickly decide whether the following numbers are squares of any numbers:
1111, 1444, 1555, 1666, 1999
APPEARS IN
संबंधित प्रश्न
For the following number, find the smallest whole number by which it should be divided so as to get a perfect square number. Also find the square root of the square number so obtained.
252
Write true (T) or false (F) for the following statement.
The square of a prime number is prime.
Write true (T) or false (F) for the following statement.
There are fourteen square number upto 200.
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
25
Find the square root the following by prime factorization.
7056
Find the square root the following by prime factorization.
586756
A society collected Rs 92.16. Each member collected as many paise as there were members. How many members were there and how much did each contribute?
Find the smallest number by which 2592 be multiplied so that the product is a perfect square.
Find the square root by prime factorisation method
1156
Find the smallest square number divisible by each one of the numbers 8, 9 and 10.
