MEDIUM
6th CBSE
IMPORTANT
Earn 100

Find the HCF and LCM of 14 and 35.

Important Questions on HCF and LCM

MEDIUM
6th CBSE
IMPORTANT
A flashing bulb on a string of holiday lights flashes once every 10 seconds. Another bulb flashes once every 15 seconds. If they are flashing together now, how long will it take for the two bulbs to flash together next again?
MEDIUM
6th CBSE
IMPORTANT

John and Andrew are running along a circular track. They take 48 seconds and 56 seconds to complete a lap, respectively. They begin from the same starting point at the same time and run in the same direction.

How long will it take for them to meet again at the starting point?

MEDIUM
6th CBSE
IMPORTANT

John and Andrew are running along a circular track. They take 48 seconds and 56 seconds to complete a lap, respectively. They begin from the same starting point at the same time and run in the same direction.How long will it take for them to meet again at the starting point?

How many laps had each boy run by then ?

MEDIUM
6th CBSE
IMPORTANT
Find three pairs of numbers such that the LCM of each pair of numbers is 24.
HARD
6th CBSE
IMPORTANT
Find two possible pairs of numbers such that the HCF and LCM of each pair of numbers are 21 and 630, respectively.
MEDIUM
6th CBSE
IMPORTANT
The HCF and LCM of 25 and another number are 5 and 75, respectively. Find the other number.
MEDIUM
6th CBSE
IMPORTANT
The product of two numbers is 336. If their HCF is 4, find their LCM.
MEDIUM
6th CBSE
IMPORTANT
For two given numbers, LCM×HCF=2880. If first number is 12, find the second number.