Q. If 3√7 + √343 = 19.21, then find the value of √252 + 20√7.
A) 49.9
B) 39.4
C) 92.3
D) 56.8
✔ Correct Answer: 49.9
Exam Insight
-
A) 49.9
B) 39.4
C) 92.3
D) 56.8
✔ Correct Answer: 49.9
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