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Aptitude · Q187

Problems On H.C.F And L.C.M

Competitive Exams · Aptitude · question 187

Q187

Two numbers are in the ratio 7 : 11. If their HCF is 28, then the sum of the two numbers is:

A.
196
B.
504
Answer
C.
112
D.
308

Answer: Option B

Solution

Answer: Option B
Solution:
\begin{array}{*{20}{c}} {\,\,\,\,{1^{{\text{st}}}}}&:&{\,\,\,\,{2^{{\text{nd}}}}} \\ 7&:&{11} \end{array}
HCF of both the number = 28
Sum of the number = 7 × 28 + 11 × 28 = 18 × 28 = 504