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Quantitative Aptitude

SQUARE ROOT AND CUBE ROOT MCQs

Square Roots, Cube Roots, Squares And Square Roots

Total Questions : 547 | Page 16 of 55 pages
Question 151. How many perfect squares lie between 120 and 300 ?
  1.    5
  2.    6
  3.    7
  4.    8
 Discuss Question
Answer: Option C. -> 7
Question 152. The number of perfect square numbers between 50 and 1000 is = ?
  1.    21
  2.    22
  3.    23
  4.    24
 Discuss Question
Answer: Option D. -> 24
Question 153. R is a positive number. It is multiplied by 8 and then squared. The square is now divided by 4 and the square root is taken. The result of the square root is Q. What is the value of Q ?
  1.    3R
  2.    4R
  3.    7R
  4.    9R
 Discuss Question
Answer: Option B. -> 4R
Question 154. A man born in the first half of the nineteenth century was x years old in the year x2. He was born in ?
  1.    1806
  2.    1812
  3.    1825
  4.    1836
 Discuss Question
Answer: Option A. -> 1806
Question 155. The smallest natural number which is a perfect square and which ends in 3 identical digits lies between ?
  1.    1000 and 2000
  2.    2000 and 3000
  3.    3000 and 4000
  4.    4000 and 5000
 Discuss Question
Answer: Option A. -> 1000 and 2000
Question 156. If the product of four consecutive natural numbers increased by a natural number p, is a perfect square, then the value of p is = ?
  1.    1
  2.    2
  3.    4
  4.    8
 Discuss Question
Answer: Option A. -> 1
Question 157. The value of $$\sqrt {0.000441} $$   is = ?
  1.    0.00021
  2.    0.0021
  3.    0.021
  4.    0.21
 Discuss Question
Answer: Option C. -> 0.021
Question 158. $${1.5^2} \times \sqrt {0.0225} = ?$$
  1.    0.0375
  2.    0.3375
  3.    3.275
  4.    32.75
 Discuss Question
Answer: Option B. -> 0.3375
Question 159. The value of $$\sqrt {0.01} {\text{ + }}$$ $$\sqrt {0.81} {\text{ + }}$$ $$\sqrt {1.21} {\text{ + }}$$ $$\sqrt {0.0009} $$   is = ?
  1.    2.03
  2.    2.1
  3.    2.11
  4.    2.13
 Discuss Question
Answer: Option D. -> 2.13
Question 160. $$\sqrt {1.5625} = ?$$
  1.    1.05
  2.    1.25
  3.    1.45
  4.    1.55
 Discuss Question
Answer: Option B. -> 1.25

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