MEDIUM
6th Tamil Nadu Board
IMPORTANT
Earn 100

Find the ratio of the HCF and the LCM of the numbers 18 and 30 .

Important Questions on Numbers

MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Solved Example>Q 9
Find the smallest number that can be divided by 254 and 508 which leaves the remainder 4.
MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Solved Example>Q 10
Which is the smallest 5-digit number that is exactly divisible by 72 and 108?
MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Solved Example>Q 11
There are four Mobile Phones in a house. At 5 a.m, all the four Mobile Phones will ring together. Thereafter, the first one rings every 15 minutes, the second one rings every 20 minutes, the third one rings every 25 minutes and the fourth one rings every 30 minutes. At what time, will the four Mobile Phones ring together again?
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Solved Example>Q 12
The LCM of two numbers is 432 and their HCF is 36. If one of the numbers is 108, then find the other number.
MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Solved Example>Q 13
The LCM of two co-prime numbers is 5005 . If one of the numbers is 65 , then find the other number.