Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6

Q.

What is the value of the cube root of 4913? Use an estimation method to find the cube root: 

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

17

b

20

c

25

d

34

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Concept- To find the cube root, form a group of numbers with three groups starting on the right, as shown below. Question Image, Apply this concept to find the unit digit of the cube root given the number.
It forms three groups starting with the rightmost number 4913. i.e, Question ImageNext, the two groups are 4 and 913.
Where 4 is only 1 digit and 913 is 3 digits.
Now, Take 913
Unit place digit number = 3.
Therefore, the required cube root squared is 7. Question ImageThen take the other group 4.
 As we know that Question Image3
Where the minimum number between 1 and 2 is 1.
Therefore, use 1 as the tense.  Question ImageHence, the correct answer is option (1).
 
Watch 3-min video & get full concept clarity

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon