Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
Three bells rings at an interval of 35and 42 minutes respectively if they last rung at 12:00 when will they ring next
0
votes
408
views
asked
Apr 6, 2022
in
Mathematics Form 1
by
rayrhoe
Three bells rings at an interval of 35 and 42 minutes respectively .If they last rung at 12:00 at what time will they ring next?
least common multiple (lcm)
maths
Please
log in
or
register
to answer this question.
4
Answers
0
votes
answered
Apr 6, 2022
by
LillyAnna
You first get the
L.C.M
of 35and 42
which is
210
so this will be minutes.
Then you convert minutes to hours which will be
3½ hours
. You add it to the time and your answer will be
1530 hours or 3.50 pm
Please
log in
or
register
to add a comment.
0
votes
answered
Sep 19, 2022
by
0702267XXX
3.50
Please
log in
or
register
to add a comment.
0
votes
answered
Nov 1, 2022
by
0729223XXX
3.50
Please
log in
or
register
to add a comment.
0
votes
answered
Nov 1, 2022
by
0729223XXX
3.50
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
Three bells ring regular intervals of 9mins,15mins and 21mins.The bells ring at 5.45pm.By 10.00am next day,how many times will they have rung together?
asked
Mar 16
in
Mathematics Form 1
by
0705859XXX
natural numbers
0
votes
1
answer
A bus service number 4 leaves a terminus every 20 minutes. Service bus 8 and 3 leaves ever 25 and 30 minutes respectively. If all the three services leave together at 6.00 a.m, at what other times during day time do they leave together?
asked
Aug 25, 2021
in
Mathematics Form 1
by
anonymous
rates ratios percentages and proportion
0
votes
1
answer
Mr. Kanja,Miss Kanene and Mrs Nyaga have to mark a form three math contest for 160 students. They take 5mins, 4mins, and 12mins respectively to mark a script. If they all start to mark at 9.00 am non-stop, what is the shortest time they can take to complete the marking?
asked
Jul 30, 2021
in
Mathematics Form 1
by
anony mous
ratios
proportions
least common multiple
0
votes
1
answer
Two pipes A and B can fill an empty tank in 3hrs and 5hrs respectively. Pipe C can empty the tank in 4hrs. If the three pipes A, B and C are opened at the same time find how long it will take for the tank to be full.
asked
Aug 13, 2021
in
Mathematics Form 1
by
anonymous
compound proportions and rates of work
0
votes
4
answers
In a certain commercial bank customers may withdraw cash through either of the tellers at the counter. On average the teller takes 3 minutes while another teller takes 5 minutes to serve the customer at the same time. Find the shortest time it takes to serve 200 customers.
asked
Dec 14, 2022
in
Mathematics Form 1
by
0757591XXX
least common multiple (lcm)
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(544)
Mathematics Form 1
(237)
Mathematics Form 2
(150)
Mathematics Form 3
(137)
Mathematics Form 4
(20)
English
(260)
Kiswahili
(507)
Chemistry
(588)
Physics
(580)
Biology
(590)
Geography
(513)
History
(538)
CRE
(328)
IRE
(52)
Agriculture
(496)
Business Studies
(350)
Computer Studies
(14)
Home Science
(60)
General Questions
(91)
5.5k
questions
6.7k
answers
6
comments
590
users
...