GSEB Solutions for Class 8 Mathematics – Revision 1(Sem – I) (English Medium)
GSEB SolutionsMathsScience
Revision 1
Solution 1:
Solution 2:
- A number having digit 2 at its units place, then its cube will have digit 8 at its unit place.
- The cube root of 42,875 is 35 (find by assuming, not by calculation).
Solution 3:
Here, in the group, prime factor 2 forms a group of three, but in the second group, prime factor 2 appears only once and in the third group, prime factor 5 appears only twice.
∴ 400 is not a perfect cube number.
Solution 4:
Solution 5:
Solution 6:
Solution 7:
Solution 8: