Question
Which principle allows chalk to write on a
blackboard?Solution
Adhesion refers to the ability of different substances to stick together. When writing with chalk on a blackboard, the small particles of chalk adhere to the rough surface of the board, allowing visible marks to be made.
The ratio of two numbers is 5:10 and their LCM is 100. The numbers are:
Three numbers a, b and c are co-prime to each other such that ab = 78 and bc = 65. Find the value of (a + b + c).
- If the product of two numbers is 420 and their HCF is 7, then find the LCM of the given two numbers.
The product of two numbers is 132 and their highest common factor is 6. What is the least common multiple of these numbers?
Find the largest number of the five digit which is exactly divisible by 48, 72 and 108.
...Find the greatest number of 4 digits divisible by 15, 25, 40 and 75.
Ratio of two numbers 3:7 and their LCM is 840. Find the sum of the given two numbers.
If the product of two numbers is 96 and their HCF is 8, find the LCM of the given two numbers.
The LCM and the HCF of the numbers 25 and 50 are in the ratio:
The product of two numbers is 3600 and their HCF is 6. Total number of such pairs of numbers is?
Relevant for Exams:
