Question
The H.C.F. of two numbers is 5 and their L.C.M. is 150. If one of the numbers is 25, then the other is:
A. 20
B. 30
C. 24
D. 28
Answer: B. 30
Solution:
Product of two numbers = Product of their HCF and LCM.
Let one number = x
=> 25 × x = 5 × 150
=> x = (5 × 150) / 25
=> x = 30
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The sum of two consecutive even numbers is 14. What are the numbers?