EASY
CTET Paper 1
IMPORTANT
Earn 100

The HCF of two numbers is 15 and their LCM is 225. If one of the numbers is 75, then find the another number.

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Important Questions on LCM and HCF

EASY
CTET Paper 1
IMPORTANT
Mathematics & Pedagogy CTET & TETs Class (I-V)>Chapter 4 - LCM and HCF>CHAPTER EXERCISE>Q 38
If the HCF of the two numbers are 3, then which of the following can never be their LCM?
MEDIUM
CTET Paper 1
IMPORTANT
Mathematics & Pedagogy CTET & TETs Class (I-V)>Chapter 4 - LCM and HCF>CHAPTER EXERCISE>Q 39
There are three street lights which get on for one second after 30 s, 40 s and 50 s espectively. If last time they were on simultaneously at 4 : 00 pm, at what time after 4 : 00 pm all of them get on again simultaneously?
EASY
CTET Paper 1
IMPORTANT
Mathematics & Pedagogy CTET & TETs Class (I-V)>Chapter 4 - LCM and HCF>CHAPTER EXERCISE>Q 40
Find the least number which, when divided by 12, 16, 24 and 36, leaves a remainder 7 in each case.
MEDIUM
CTET Paper 1
IMPORTANT
Mathematics & Pedagogy CTET & TETs Class (I-V)>Chapter 4 - LCM and HCF>CHAPTER EXERCISE>Q 41
A gardener wants to plant trees in a garden. If the number of trees in each row is the same and there are 20 or 40 or 60 row, then no tree is left. Find the least number of trees the gardener has:
MEDIUM
CTET Paper 1
IMPORTANT
Mathematics & Pedagogy CTET & TETs Class (I-V)>Chapter 4 - LCM and HCF>CHAPTER EXERCISE>Q 42
There are three bells which ring after 30 min, 80 min and 90 min, respectively. If last time they rang simultaneously at 8 : 30 am. At what time they will again ringing simultaneously ?
EASY
CTET Paper 1
IMPORTANT
Mathematics & Pedagogy CTET & TETs Class (I-V)>Chapter 4 - LCM and HCF>Previous Years' Questions>Q 43
The prime factors of the number 720 are:
EASY
CTET Paper 1
IMPORTANT
Mathematics & Pedagogy CTET & TETs Class (I-V)>Chapter 4 - LCM and HCF>Previous Years' Questions>Q 44
What is the Highest Common Factor (HCF) of the numbers 425 and 476?
EASY
CTET Paper 1
IMPORTANT
Mathematics & Pedagogy CTET & TETs Class (I-V)>Chapter 4 - LCM and HCF>Previous Years' Questions>Q 45
What is the Least Common Multiple (LCM) of the numbers 90, 60, 75, and 35 ?