Cengage Experts Team (CET) Solutions for Exercise 1: Practice Exercise

Find the HCF of $15$, $35$ and $50$ by using the factorisation method?

Find the HCF of $45, 90, 135$ and $270$ by using the factorisation method?

Find the HCF of $221$ and$650$ by division method:

Three different tanks contain 121 L, 231 L and 341 L of liquid, respectively. What is the capacity of the biggest container that can be used to exactly measure all these different quantities of liquid?

In a school, 209 boys and 285 girls have been allocated classrooms so that each classroom has the same number of students and no class has students from both the genders. What is the least number of classrooms required?

A room$4$m $48$ cm long and $3$ m $50$ cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor?

A rectangular block $6$cm by $12$cm by $15$ cm is cut into an exact number of equal cubes. Find the least possible number of cubes obtained by cutting the rectangular block?

Three bells ring after 1 h, 1 h 30 min and 1 h 45 min, respectively. All the bells rang at 1 am together, the bells will again ring together at: