Paper 1 · Mathematical Reasoning and Aptitude
If (?) squared equals 3844, then the value of ? is
A58
B60
C62 ✓ Correct
D65
Correct answer: (C) 62 — The value of ? is 62, so that is the answer.
Explanation
★The value of ? is 62, so that is the answer.
★The number whose square is 3844 is its square root.
★62 multiplied by 62 gives 3844.
★58 squared is 3364 and 60 squared is 3600, both too small.
★65 squared is 4225, which is too large.
★So the value of ? is 62.
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