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What is the value of 1/3#1/4? (1) 1/6#1/7=1/42 (2) 1/5#1/4=1/20
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09 May 2019, 23:13
09 May 2019, 23:13
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The symbol # represents one of addition, subtraction, multiplication or division. What is the value of \(\frac{1}{3}\) # \(\frac{1}{4}\)?
1) \(\frac{1}{6}\) # \(\frac{1}{7}\) = \(\frac{1}{42}\)
2) \(\frac{1}{5}\) # \(\frac{1}{4}\) = \(\frac{1}{20}\)
Source: Expert's Global
1) \(\frac{1}{6}\) # \(\frac{1}{7}\) = \(\frac{1}{42}\)
2) \(\frac{1}{5}\) # \(\frac{1}{4}\) = \(\frac{1}{20}\)
Source: Expert's Global
Show SpoilerSolution
1) \(\frac{1}{6}\) # \(\frac{1}{7}\) = \(\frac{1}{42}\)
# can either represent multiplication or subtraction. In either case, the value of \(\frac{1}{3}\) # \(\frac{1}{4}\) is \(\frac{1}{12}\)
2) \(\frac{1}{5}\) # \(\frac{1}{4}\) = \(\frac{1}{20}\). Here # can only be multiplication. The value of \(\frac{1}{3}\) # \(\frac{1}{4}\) is \(\frac{1}{12}\).
Hence, the answer is D.
# can either represent multiplication or subtraction. In either case, the value of \(\frac{1}{3}\) # \(\frac{1}{4}\) is \(\frac{1}{12}\)
2) \(\frac{1}{5}\) # \(\frac{1}{4}\) = \(\frac{1}{20}\). Here # can only be multiplication. The value of \(\frac{1}{3}\) # \(\frac{1}{4}\) is \(\frac{1}{12}\).
Hence, the answer is D.
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Re: What is the value of 1/3#1/4? (1) 1/6#1/7=1/42 (2) 1/5#1/4=1/20
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10 Mar 2020, 23:30
10 Mar 2020, 23:30
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I don't think each statement alone is sufficient. The problem here is I statement could be true with either a subtraction sign or the multiplication sign while both second statements could be possible with just the multiplication sign so essentially both the statements doesn't help us in any respect.
Kindly help and suggest the rationale for same
Kindly help and suggest the rationale for same
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Re: What is the value of 1/3#1/4? (1) 1/6#1/7=1/42 (2) 1/5#1/4=1/20
[#permalink]
17 Mar 2020, 05:12
17 Mar 2020, 05:12
jbatra wrote:
I don't think each statement alone is sufficient. The problem here is I statement could be true with either a subtraction sign or the multiplication sign while both second statements could be possible with just the multiplication sign so essentially both the statements doesn't help us in any respect.
Kindly help and suggest the rationale for same
Kindly help and suggest the rationale for same
I strongly agree. Could you please tell us more about this?
