A) 12
B) 24
C) 18
D) None of these.
Correct Answer: A
Solution :
[a] Let the required numbers are 5x and 4x Then \[5x\times \frac{40}{100}=12\] \[\Rightarrow x=\frac{12\times 100}{5\times 40}=6\] 50% of second number\[=4x\times \frac{50}{100}\] \[=4\times 6\times \frac{1}{2}=12\]You need to login to perform this action.
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