Question 73

Find the LCM and HCF of 1.75, 5.6 and 7.

Solution

Make the value same on every side of the numbers, which will make the numbers as 1.75, 5.60 and 7.00.
Remove decimals for calculation, the numbers are 175, 560 and 700.
Now, H.C.F of 175, 560 and 700 is 35.
So, H.C.F of 1.75, 5.6 and 7 is 0.35.
L.C.M of 175, 560 and 700 is 2800.
So, L.C.M of 1.75, 5.6 and 7 is 28.00 i.e. 28.

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RRB JE 23rd May 2019 Shift-1

Find the LCM and HCF of 1.75, 5.6 and 7.

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