Rahul Sofat Solutions for Chapter: Playing with Numbers, Exercise 4: EXERCISE 3.4

Find the first three common multiples of:

$6$ and $9$

Find the first three common multiples of:

$10$ and $25$

Write all the numbers less than $90$ which are common multiples of $5$ and $6$.

A number is divisible by $15.$ By what other numbers will that number be divisible?

Following pair of numbers are co-prime?

$13$ and $16$

Following pair of numbers are co-prime?

$16$ and $21$

Following pair of numbers are co-prime?

$25$ and $105$

A number is divisible by $5$ and $8$ both. By which other number will that number be always divisible?