Question 38
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The product of a number and its square root is 343. What is the number?
- A 7
- B 343
- C 49 Correct
- D 21
Correct Answer: Option C
x × √x = 343 → x^(3/2) = 7³
x = (7³)^(2/3) = 7² = 49
Check: 49 × 7 = 343
Answer: 49
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