Lowest Common Multiple
Trending Questions
Q.
What is LCM?
Q.
The
LCM
HCF
divisor
multiple
Q.
Question 1 (iii)
Express 3825 as the product of its prime factors.
Q.
The HCF and the LCM of two numbers are respectively. If one of the numbers is , then find the other number.
Q. 4 bells in a church toll at intervals of 6, 7, 8 and 9 seconds, respectively. To find out the time after which they will toll together again, we take
- HCF of 6, 7, 8 and 9
- LCM of 6, 7, 8 and 9
- HCF of 6, 7 and 9
- LCM of 6, 7 and 8
Q. Question 10
The students of a school decided to beautify the school on the annual day by fixing colourful flags on the straight passage of the school. They have 27 flags to be fixed at intervals of every 2 m. the flags are stored at the position of the middle most flag. Ruchi was given the responsibility of placing the flags.
Ruchi kept her books where the flags were stored. She could carry only one flag at a time. How much distance did she cover in completing this job and returning back to collect her books? What is the maximum distance she travelled carrying a flag?
The students of a school decided to beautify the school on the annual day by fixing colourful flags on the straight passage of the school. They have 27 flags to be fixed at intervals of every 2 m. the flags are stored at the position of the middle most flag. Ruchi was given the responsibility of placing the flags.
Ruchi kept her books where the flags were stored. She could carry only one flag at a time. How much distance did she cover in completing this job and returning back to collect her books? What is the maximum distance she travelled carrying a flag?
Q. Express each number as a product of its prime factors:
(i) 140
(ii) 156
(i) 140
(ii) 156
Q. A clock is set correct at 1 p.m. It loses 20 minutes every 24 hours. Find the actual time when the clock shows 12 noon on the 4th day.
- 12 noon
- 11 a.m.
- 1 p.m.
- 2 p.m.
Q.
We have three numbers 2, 4, 7. The LCM of these three numbers is 28.
True
False
Q. The LCM of 4 and 8 is
- 16
- 8
- 18
- 12
Q. Question 10
A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form pq? Give reasons.
A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form pq? Give reasons.
Q.
Question 1 (ii)
Express 156 as the product of its prime factors.
Q. Question 10
A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form pq? Give reasons.
A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form pq? Give reasons.
Q. Express each number as a product of its prime factors:
(i) 140
(ii) 156
(i) 140
(ii) 156
