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11. Find the least perfect square number divisible by 2, 3 , 4, 5 and 6 ?

Correct

**Explanation:**

Incorrect

12. Find the least number by which 234375 be divided to make it a perfect cube ?

Correct

**Explanation:**

Incorrect

13. Find the Cube root of 4\dfrac {12}{125} ?

Correct

**Explanation:**

Incorrect

14. What is the smallest number by which '1400' be divided to make it a perfect cube ?

Correct

**Explanation:**

Incorrect