Question

Find. (a) LCM of 10 , 15 , and 20 (b) HCF of 18 and 27 (c) All prime numbers less than 40 (d) All composite numbers between 40 and 60

Answer 1

Answer:

(a) 60

(b) 9

(c) 3,5,7,11,13,17,19,23,29,31,37

(d)42,44,45,46,48,49,50,52,54,55,56,57,58,

Step-by-step explanation:

hope it is helpful to you

Answer 2

Answer:

LCM of 10 ,15 and 20 is 60

HCF of 18 and 27 is 9

All the prime numbers less than 40 are 1,2,3,5,7,11,13,17,1923,29,37

All composite numbers between 40 to 60 are 42,44,45,46,48,49,50,51,52,54,56,57,58

l hope you understand

please mark me as brainlist