Question

(c) 36, 48, 60
(d) 40, 80, 100,12
(c) 72, 96, 108
(c) 8,12
K. Find the LCM of the following by the prime factorization method:
(d) 22, 44, 66
(a) 12,42
(by 45, 70, 90
2. Find the LCM of the following by division method:
(a) 24, 27, 30,90
(b) 30, 48, 120
3. Find two common multiples of following numbers:
(d) 15,20
(a) 3,4
(b) 4,12
4. Find the HCF and LCM of the following pairs of numbers. Also, show that the product of the HCR,
LCM is the same as the product of the given pair of numbers.
(a) 13, 52
(b) 21,27
(c) 120, 35
(d) 135,162
5. The product of two numbers is 800 and their LCM is 400. Find their HCF.
6. The product of two numbers is 2880 and their HCF is 12. Find their LCM.
7. Find the smallest number which when divided by 35, 56 and 105 leaves a remainder of 6 in each case
8. Find the smallest 4-digit number that is exactly divisible by 36, 40 and 45.
9. Find the greatest 5-digit number that is exactly divisible by 15, 18 and 24.
10. Four bells ring at intervals of 8, 10, 12 and 14 minutes respectively. At what time will they again to
together if they rang together at 7 a.m.?​

Answer 1

Answer:

You must have played hide and seek a number of times. In this game, you have to find your hidden friends. Finding factors and multiples is like playing hide and seek with numbers. You have the number, yet you have to seek the hidden factors and multiples through the concept of HCF and LCM. The chapter below shall make the game of hiding and

Step-by-step explanation:

hope it helps you quickly thanks to my answer mark it a brain list answer.

Answer 2

Answer:

Four bells ring at intervals of 8, 10, 12 and 14 minutes respectively. At what time will they again to

together if they rang together at 7 a.m.?

Step-by-step explanation:

please give me thank you