Question

ut
9. Four bells ring at intervals of 8, 12, 18 and 20 minutes respectively. At what time, will
they ring together, if they start ringing simultaneously at 12:00 noon?
O PROPERTY OF HCF AND LCM
ATION BETWEEN HCF AND LCM OF Two NUMBERS
a and b be the two real numbers, then HCF ~ LCM = a × b
HCF LCM
(ii) LCM =
(iii) a =
LCM
HCF
b
axb
HCF x LCM
HCF= axb
(iv) b =
а
ARKS: 1. HCF of two numbers is a factor of their LCM.
2. If a be a factor of b, then HCF of a and b is a and their LCM is b.
SIMPLIFICATION OF BRACKETS AND BODMAS RULE
__
1 Types of Brackets
Bar bracket or vinculum
Small brackets or parantheses: ( )
Curly brackets or braces
re brackets : [ ]
.​

Answer 1

Answer:

mznskbsjsnsvsksbgssmsbhsksks