Question
The HCF and the LCM of two numbers are 5 and 175,
respectively. If the ratio of the two numbers is 5:7, the larger of the two numbers is _______.Solution
HCF = 5 LCM = 175 Ratio = 5:7 Let the numbers be 5x and 7x. Using the relation HCF × LCM = Product of the two numbers: 5 x 175 =5x × 7x 875 = 35x2 x2=875/35 =25 x=5 Larger number = 7x=7x5= 35.
Select the option that is related to the first number in the same way as the third number is related to the fourth number.
729: ? :: 432: 408
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Find the odd one out.
