MEDIUM
6th CBSE
IMPORTANT
Earn 100

The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds. If they start changing simultaneously at 8 a.m., after how much time will they change again simultaneously?

Important Questions on Factors and Multiples

MEDIUM
6th CBSE
IMPORTANT
Mathematics For Class 6>Chapter 2 - Factors and Multiples>EXERCISE 2E>Q 28
Three measuring rods are 45 cm, 50 cm and 75 cm in length. What is the least length (in meters) of a rope that can be measured by the full length of each of these three rods?
MEDIUM
6th CBSE
IMPORTANT
Mathematics For Class 6>Chapter 2 - Factors and Multiples>EXERCISE 2E>Q 29
An electronic device makes a beep after every 15 minutes. Another device makes a beep after every 20 minutes. They beeped together at 6 a.m. At what time will they next beep together?
MEDIUM
6th CBSE
IMPORTANT
Mathematics For Class 6>Chapter 2 - Factors and Multiples>EXERCISE 2E>Q 30
The circumferences of four wheels are 50 cm, 60 cm, 75 cm and 100 cm. They start moving simultaneously. What is the least distance should they cover so that each wheel makes a complete number of revolutions?
EASY
6th CBSE
IMPORTANT
Mathematics For Class 6>Chapter 2 - Factors and Multiples>EXERCISE 2F>Q 1
Which of the following numbers is divisible by 3?
EASY
6th CBSE
IMPORTANT
Mathematics For Class 6>Chapter 2 - Factors and Multiples>EXERCISE 2F>Q 2
Which of the following number is divisible by 9?
EASY
6th CBSE
IMPORTANT
Mathematics For Class 6>Chapter 2 - Factors and Multiples>EXERCISE 2F>Q 3
Which of the following numbers is divisible by 4?
EASY
6th CBSE
IMPORTANT
Mathematics For Class 6>Chapter 2 - Factors and Multiples>EXERCISE 2F>Q 4
Which of the following numbers is divisible by 8?
EASY
6th CBSE
IMPORTANT
Mathematics For Class 6>Chapter 2 - Factors and Multiples>EXERCISE 2F>Q 5
Which of the following numbers is divisible by 6?