CBSE Class 10 Answered
The traffic lights at three different roads crossing change after every 48 seconds ,72 seconds and 108 seconds respectively. If they all change simultaneously at 8 a.m . Then at what time will they again change simultaneously
Asked by rakshitasingh973 | 30 Jun, 2021, 12:07: PM
Expert Answer
LCM of the three timings will give us the required time
Let's find LCM (48, 72, 108)
48 = 2 x 2 x 2 x 2 x 3
72 = 2 x 2 x 2 x 3 x 3
108 = 2 x 2 x 3 x 3 x 3
LCM = 2 x 2 x 2 x 2 x 3 x 3 x 3 = 432 seconds = 7 min 12 seconds
Answered by Renu Varma | 01 Jul, 2021, 11:33: AM
Application Videos
-
This video describe Relation between HCF and LCM. -
This video explains the use of LCM and HC in solving a word problem. -
The video describes to find the HCF of two numbers
-
The video describes the relation between LCM and HCF & the numbers
The video explains a question based on the factorisation of a number
Concept Videos
-
Determination of H.C.F and L.C.M of numbers using Prime Factorization and ... -
Determination of H.C.F and L.C.M of numbers using Prime Factorization and s... -
Determination of H.C.F and L.C.M of numbers using Prime Factorization and ... -
Fundamental Theorem of Arithmetic
Real Numbers, Fundamental Theorem of Arithmetic
CBSE 10 - Maths
Asked by ruchipandey20071978 | 07 May, 2023, 01:23: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by susrisangita792 | 22 Apr, 2023, 09:13: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by susrisangita792 | 22 Apr, 2023, 08:52: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by susrisangita792 | 20 Apr, 2023, 08:05: AM
ANSWERED BY EXPERTCBSE 10 - Maths
can end with the digit 0 for any natural number n.
Asked by susrisangita792 | 19 Apr, 2023, 08:27: AM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by Sunita | 08 Aug, 2022, 01:06: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by aayeshashaikh40.10 | 24 Jul, 2022, 06:42: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by balajisenapati04 | 29 May, 2022, 10:02: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by saxenaanuradha02 | 07 May, 2022, 09:41: PM
ANSWERED BY EXPERTGet in Touch
