Advertisements
Advertisements
प्रश्न
Find the cube root of the following natural number 2744 .
Advertisements
उत्तर
Cube root using units digit:
Let us consider 2744.
The unit digit is 4; therefore, the unit digit in the cube root of 2744 is 4.
After striking out the units, tens and hundreds digits of the given number, we are left with 2.
Now, 1 is the largest number whose cube is less than or equal to 2.
Therefore, the tens digit of the cube root of 2744 is 1.
Hence,
APPEARS IN
संबंधित प्रश्न
Find the smallest number by which of the following number must be multiplied to obtain a perfect cube.
675
Find the cubes of the number 7 .
Write the cubes of 5 natural numbers which are of the form 3n + 1 (e.g. 4, 7, 10, ...) and verify the following:
'The cube of a natural number of the form 3n + 1 is a natural number of the same form i.e. when divided by 3 it leaves the remainder 1'.
Which of the following is perfect cube?
1728
Which of the following are cubes of even natural numbers?
216, 512, 729, 1000, 3375, 13824
Making use of the cube root table, find the cube root
7000
Find if the following number is a perfect cube.
1938
Find the cube-root of `27/64`
Find the cube-root of −175616
Find the smallest number by which 200 should be multiplied to make it a perfect cube
