Advertisements
Advertisements
प्रश्न
By just examining the unit digis, can you tell which of the following cannot be whole squares?
1028
Advertisements
उत्तर
If the units digit of a number is 2, 3, 7 or 8, the number cannot be a whole square.
1028 has 8 as the units digit, so it cannot be a perfect square.
APPEARS IN
संबंधित प्रश्न
For the following number, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also find the square root of the square number so obtained.
252
Find the smallest number by which the given number must be divided so that the resulting number is a perfect square:
14283
Write five numbers for which you cannot decide whether they are squares.
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
71
Find the smallest number by which 1152 must be divided so that it becomes a perfect square. Also, find the square root of the number so obtained.
Out of 745 students, maximum are to be arranged in the school field for a P.T. display, such that the number of rows is equal to the number of columns. Find the number of rows if 16 students were left out after the arrangement.
Examine if the following is a perfect square
725
A square board has an area of 144 square units. How long is each side of the board?
Show that 500 is not a perfect square.
Find the smallest square number divisible by each one of the numbers 8, 9 and 10.
