Question

(iii) 7, 14 and 24
Using the division method, find the H.C.F. of the following:
(ii) 18 and 30
(v) 32, 56 and 46
16 and 24
(iv) 70, 80, 120 and 150
(iii) 66, 33 and 132
Use a method of your own choice to find the H.C.F. of:
(ii) 48, 36 and 96
(v) 30, 60, 90 and 105
(0) 45, 75 and 135
(iv) 24, 36, 60 and 132
Find the greatest number that divides each of 180, 225 and 315 completely.
Show that 45 and 56 are co-prime numbers.
Out of 15, 16, 21 and 28, find out all the pairs of co-prime numbers.
Find the greatest number that will divide 93, 111 and 129, leaving remainder 3 in each
7
8
case.
Since, 93 - 3 = 90, 111 - 3 = 108 and 129 - 3 = 126.
• Required number is H.C.F. of 90, 108 and 126.
ES​

Answer 1

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