Kusum Wadhwa and Anju Loomba Solutions for Chapter: Factors and Multiples, Exercise 9: Exercise 3 .5

Find the LCM using the prime factorisation method.
$24$, $32$

Find the LCM using the prime factorisation method.
$26$, $39$

Find the LCM using the short division method.
$30$, $45$

Find the LCM using the short division method.
$24$, $36$

Find the LCM using the short division method.
$72, 32$ 

Find the LCM of $21, 14 \text{and} 35$ using the short division method.

Three bells of a temple began ringing at $9$ am. The first bell rings after every $30$ minutes and the second one rings after every $45$ minutes and the third one rings after every hour. If they ring together again at $k$ pm then what is the value of $k$?

A certain number of vegetables can be arranged in groups of $3,4,6$ or $8$, with no vegetables left ungrouped. Find the least number of vegetables.