English

Find the Cube-root of 3375 X 512 - Mathematics

Advertisements
Advertisements

Question

Find the cube-root of 3375 x 512

Sum

Solution

3375 x 512
= `root(3)(3375 xx 512)`
= `sqrt(15 xx 15 xx 15 xx 8 xx 8 xx 8)`
 = 15 x 8
= 120

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Cubes and Cube Roots - Exercise 4 (B) [Page 51]

APPEARS IN

Selina Concise Mathematics [English] Class 8 ICSE
Chapter 4 Cubes and Cube Roots
Exercise 4 (B) | Q 2.7 | Page 51

RELATED QUESTIONS

Find the  cubes of the number  7 .


Write the cubes of 5 natural numbers of the form 3n + 2 (i.e. 5, 8, 11, ...) and verify the following:
'The cube of a natural number of the form 3n + 2 is a natural number of the same form i.e. when it is dividend by 3 the remainder is 2'.


Which of the following is  perfect cube? 

243


Which of the following are cubes of odd natural numbers?
125, 343, 1728, 4096, 32768, 6859


What is the smallest number by which the following number must be multiplied, so that the products is perfect cube?

1323


What is the smallest number by which the following number must be multiplied, so that the products is perfect cube?

 2560


What happens to the cube of a number if the number is multiplied by  4?


Write the units digit of the cube of each of the following numbers:
31, 109, 388, 833, 4276, 5922, 77774, 44447, 125125125


Write true (T) or false (F) for the following statement:

 No cube can end with exactly two zeros.


Write true (T) or false (F) for the following statement:

There is no perfect cube which ends in 4.


Find the cube root of the following natural number 17576 .


Multiply 210125 by the smallest number so that the product is a perfect cube. Also, find out the cube root of the product.

 

Three numbers are in the ratio 1 : 2 : 3. The sum of their cubes is 98784. Find the numbers.


Find the cube root of the following integer −32768 .


Show that:\[\sqrt[3]{- 125 - 1000} = \sqrt[3]{- 125} \times \sqrt[3]{- 1000}\]


Find the  units digit of the cube root of the following number  13824 .


Find the  units digit of the cube root of the following number 175616 .


Making use of the cube root table, find the cube root
700


Find the cube root 24 × 36 × 80 × 25


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×