Question

(ii) The HCF of this pair of numbers is not 1.
(1) 13, 17 (2) 29, 20 (3) 40, 20 (4) 14, 15
Find the HCE and LCM.​

Answer 1

Answer:

1. hcf=1

lcm=221

2 hcf=1

lcm=580

3 hcf=20

lcm=40

4. hcf=1

lcm=210

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