5th Class
Mathematics
Factors and Multiples
Question Bank
Factor & Multiple
question_answer
What is the least integer by which 4500 should be multiplied so that it becomes a perfect cube?
A) 6
B) 36
C) 2
D) 3
Correct Answer:
A
Solution :
3
4500
5
1500
3
800
5
100
5
20
4
\[={{3}^{2}}\times {{5}^{3}}\times {{2}^{2}}\](In order to make it cube we need to get\[{{3}^{2}}\times {{5}^{3}}\times {{2}^{2}}\] Hence, required number is 6.