How many perfect squares lie between 120 and 300 ?
A. 5
B. 6
C. 7
D. 8
Answer: Option C
Solution (By Examveda Team)
$$\eqalign{ & {\left( {11} \right)^2} = 121{\text{ }} \cr & {\text{And }} \cr & {\left( {17} \right)^2} = 289 \cr} $$So, the perfect squares between 120 and 300 are the squares of numbers from 11 to 17.
Clearly, these are 7 in number.
This Question Belongs to Arithmetic Ability >> Square Root And Cube Root
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