Advertisements
Advertisements
Question
Find the cube root of the following natural number 2744 .
Advertisements
Solution
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
RELATED QUESTIONS
Write the cubes of all natural numbers between 1 and 10 and verify the following statements:
(i) Cubes of all odd natural numbers are odd.
(ii) Cubes of all even natural numbers are even.
Which of the following is perfect cube?
166375
Which of the following are cubes of even natural numbers?
216, 512, 729, 1000, 3375, 13824
By which smallest number must the following number be divided so that the quotient is a perfect cube?
243000
Find the cube root of the following natural number 343 .
Show that: \[\sqrt[3]{64 \times 729} = \sqrt[3]{64} \times \sqrt[3]{729}\]
Find the units digit of the cube root of the following number 13824 .
Making use of the cube root table, find the cube root 70 .
If m is the cube root of n, then n is ______.
Difference of two perfect cubes is 189. If the cube root of the smaller of the two numbers is 3, find the cube root of the larger number.
