The document Square Root and Cube Root - Examples (with Solutions), Logical Reasoning LR Notes | EduRev is a part of the LR Course Quantitative Aptitude for Banking Preparation.

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**A. 24**

**B. 12**

**C. 48**

**D. 36**

**Answer :** Option A

**Explanation :**

**A. 2.24**

**B. 1.24**

**C. 1.34**

**D. 2.34**

**Answer : Option D**

**Explanation :**

**3. If , then what will be the value of **

**A. 21.66**

**B. 13.41**

**C. 22.35**

**D. 44.7**

**Answer : **Option D

**Explanation :**

**4. The cube root of 0.000729 is**

**A. 0.09**

**B. 0.9**

**C. 0.21**

**D. 0.11**

**Answer : **Option A

**Explanation :**

**5. What is the least perfect square which is divisible by each of 21, 36 and 66?**

**A. 213444**

**B. 214434**

**C. 214344**

**D. 231444**

**Answer : **Option A

**Explanation :**

LCM of 21, 36, 66 = 2772

ie, all multiples of 2772 are divisible by 21, 36 and 66

Prime factorization of 2772 is,

2772 = 2 × 2 × 3 × 3 × 7 × 11

ie, to make it a perfect square, we have to multiply it by 7 and 11

Hence, required number = 2772 × 7 × 11 = 213444

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