How many numbers lie between squares of the following numbers: 10 and 15?
A
100
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B
121
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C
124
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D
125
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Solution
The correct option is A 124 102 = 100 152 = 225 Now, 225 - 100 = 125 So, there are 125 - 1 = 124 numbers lying between the square of the numbers 10 and 15.