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| 1. |
Find the H.C.F of 36 , 96 and 120 by Euclid\'s division lemma |
| Answer» Euclid\'s division algorithm is to compute the highest common factor (HCF) of two or three given positive integers.Euclid\'s division lemma states that for any two positive integers say a and b there exists two unique whole number say q and r , such that ,a =b q+r , where 0 ‹ r ‹b.Solution : on applying Euclid\'s division lemma for 36 and 96 96 = 36 ×2 +24Here , remainder = 24≠0 So take new dividend as 36 and divisor as 24.36=24×1+12Here,the remainder=12≠0So,take new dividend as 24 and divisor as 12.24=12×10+0Here,the Remainder=0 and the last divisor is 12 .So, HCF of 36 and 96 is 12.On applying Euclid\'s division lemma for 12 and 120 120=12×10+0Here remainder=0So ,HCF of 36,96 and 120 = 12. | |