The sum of two numbers is 240. If the numbers are in the ratio 3 : 5, then the sum of their LCM and HCF…
Splitting 240 in the ratio 3 : 5 gives \(\frac{3}{8}\times240=90\) and \(\frac{5}{8}\times240=150\). Their HCF is 30, and LCM \(=\frac{90\times150}{30}=450\). The sum of LCM…
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The sum of two numbers is 240. If the numbers are in the ratio 3 : 5, then the sum of their LCM and HCF is :
Answer and explanation
Correct answer C
Splitting 240 in the ratio 3 : 5 gives and . Their HCF is 30, and LCM . The sum of LCM and HCF is ; the figure 450 is the LCM alone, not the sum.
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NCHM Joint Entrance Examination (NCHM JEE)