bySayantani Barman Experta en el extranjero
Question: The square root of 306.25 is exactly?
- 0.175
- 1.75
- 17.5
- 175
- 1750
Answer:
Approach Solution (1):
\(17^2=17*17=289\)
\(18^2=18*18=324\)
Closest option is 17.5
Correct Option: C
Approach Solution (2):
Only answer choice C looks as A, B are too small and D, E are too big
17 * 17 = 289 and 18 * 18 = 324
306.5 lies in between
Correct Option: C
“The square root of 306.25 is exactly?”- is a topic of the GMAT Quantitative reasoning section of GMAT. This question has been taken from the book “GMAT Official Guide Quantitative Review”. To solve GMAT Problem Solving questions a student must have knowledge about a good amount of qualitative skills. The GMAT Quant topic in the problem-solving part requires calculative mathematical problems that should be solved with proper mathematical knowledge.
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