Question : Find the HCF of 125, 250, and 750.
Option 1: 50
Option 2: 25
Option 3: 125
Option 4: 75
Correct Answer: 125
Solution : Given numbers = 125, 250, and 750 We can write these numbers as: 125 = 5 × 5 × 5 250 = 2 × 5 × 5 × 5 750 = 2 × 3 × 5 × 5 × 5 ⇒ HCF = 5 × 5 × 5 = 125 Hence, the correct answer is 125
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Question : Find the LCM of 25, 30, 50, and 75.
Option 1: 15.0
Option 2: 150
Option 3: 1.50
Question : The ratio of the two numbers is 5 : 7 and their HCF is 3. Their LCM is:
Option 1: 75
Option 2: 105
Option 4: 35
Question : Find the HCF of 69, 96, and 99.
Option 1: 3
Option 2: 9
Option 3: 1
Option 4: 6
Question : Find the HCF of 364 and 724.
Option 1: 4
Option 2: 2
Option 3: 6
Option 4: 364
Question : Two numbers are in the ratio 12 : 7. If their HCF is 25, find the numbers.
Option 1: 225 and 135
Option 2: 300 and 175
Option 3: 300 and 50
Option 4: 175 and 120
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