Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

question
question image
Asked by arindeep.singh | 15 Jul, 2020, 18:23: PM
answered-by-expert Expert Answer
Q: Six bells commerce tolling together and toll at intervals of 2, 4, 6, 8, 10, 12 minutes respectively. In 30 hours, how many times do they toll together?
Solution: 

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10, 12 minutes respectively.

Hence, using LCM of the given numbers which is 120 we conclude that bell will toll together after 120 seconds = 2 minutes.

In 30 hours, they will toll together in begin mathsize 16px style open parentheses 30 over 2 close parentheses equals 15 end style times and 1 (at the starting).

Hence, total number of times the bells toll together is 15 + 1 = 16

Answered by Renu Varma | 16 Jul, 2020, 12:29: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
a fraction became 9 upon 11 if 2 is add to the both and 3 is add to both 5 upon 6 find the fraction
Asked by dheerrana109 | 22 Jul, 2024, 10:26: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
6x²+x-1
Asked by ishakkumbhar92 | 20 Jul, 2024, 16:09: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
the peth of an APq and qth term is p find its p+q(th)term
Asked by vishwanathhikkalagutti | 17 Jul, 2024, 07:25: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
if 3 meter cloth price 400 then 75 centimeter cloth price
Asked by avadheshkumar94 | 13 Jul, 2024, 20:18: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
show That points(1,-1),(5,2)and(9,5)are collinear
Asked by 3ra2231 | 11 Jul, 2024, 20:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
What is réal number
Asked by avadheshkumar94 | 10 Jul, 2024, 10:14: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
prove that sinA-cosA+1/sinA+cosA-1 =1/secA-tanA
Asked by syashkurun | 08 Jul, 2024, 19:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
what is the angle between two parallel lines
Asked by francissaka528 | 08 Jul, 2024, 06:15: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
solve the following pair of linear equation 5x+4y=9 , x + 2y =3
Asked by radhe9868017031 | 05 Jul, 2024, 14:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
5x-4y+8=0, 7x+6y-9=0 consistent or inconsistent
Asked by naidulokesh892 | 04 Jul, 2024, 20:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Are You a Teacher or a Parent Seeking Customised Tests? Click here
×