Question
Determine the highest common factor (HCF) of the numbers
75, 125, and 300.Solution
75 = 3 x 52 125 = 53 300 = 22Â x 3 x 52 So, required HCF = 52Â = 25 Hence, option b.
More HCF and LCM Questions
147 490 707 831 895 922 930
...- Find the wrong number in the given number series.
5, 10, 30, 120, 480, 3600 Find the wrong number in the given number series.
71, 98, 123, 154, 191, 232
9Â Â Â Â 20Â Â Â Â Â 63Â Â Â Â Â Â 255Â Â Â Â Â Â 1285Â Â Â Â Â 7716
...9256Â Â 6844Â Â Â 4888Â Â 3350Â Â 2152Â Â 1276
21Â Â Â Â Â Â Â Â Â Â 32Â Â Â Â Â Â Â Â Â Â 54Â Â Â Â Â Â Â Â Â Â 86Â Â Â Â Â Â Â Â Â Â 131Â Â Â Â Â Â Â Â 186
...27, 35, 51, 75, 109, 147
Find the wrong number in the given number series.
334, 301, 271, 251, 239, 233Â
1, 1.5, 3, 7.5, 22.5, 75, 315
100, 164, 740, 3044, 9444, 20320
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