Advertisements
Advertisements
Question
Find the cube-root of 700 × 2 × 49 × 5.
Advertisements
Solution
700 × 2 × 49 × 5
= 2 × 2 × 5 × 5 × 7 × 2 × 7 × 7 × 5
= (2 × 2 × 2) × (5 × 5 × 5) × (7 × 7 × 7)
= 2 × 5 × 7
= 70
APPEARS IN
RELATED QUESTIONS
Find the cubes of the number 12 .
Which of the following is perfect cube?
64
Which of the following is perfect cube?
456533
What is the smallest number by which the following number must be multiplied, so that the products is perfect cube?
107811
What happens to the cube of a number if the number is multiplied by 3?
Which of the following number is not perfect cubes?
1728
Write true (T) or false (F) for the following statement:
If a and b are integers such that a2 > b2, then a3 > b3.
Three numbers are in the ratio 1 : 2 : 3. The sum of their cubes is 98784. Find the numbers.
Show that: \[\sqrt[3]{- 125 \times 216} = \sqrt[3]{- 125} \times \sqrt[3]{216}\]
Show that:
\[\frac{\sqrt[3]{729}}{\sqrt[3]{1000}} = \sqrt[3]{\frac{729}{1000}}\]
Find if the following number is a perfect cube.
1938
Find the cube-root of 343
Find the cube-root of `125/216`
Find the cube-root of 64 x 729
Find the cube-root of -216 x 1728
Find the cube-root of -64 x -125
Find the smallest number by which 10985 should be divided so that the quotient is a perfect cube
If the cube of a squared number is 729, find the square root of that number
Three numbers are in the ratio 2 : 3 : 4. The sum of their cubes is 0.334125. Find the numbers.
