Formatif 10 LCM and GCF

There are two numbers multiple of 9 between 30 and 50.

• True

• False

117 is not multiple of 7.

• True

• False

There are 4 factors of 25.

• True

• False

The product of the fifth multiple of 8 and the second multiple of 6 is 480.

• True

• False

The sum of the eighth multiple of 7 and the ninth of 6 is 110.

• True

• False

Find GCF of 20 and 24!

(a)  

Find LCM of 6 and 8!

(a)  

Find GCF of 36 and 40!

(a)  

Find LCM of 24 and 36!

(a)  

Paula runs every 7 days and she cycles every 4 days.

If she did all both activities on 1st October 2023,

A. In how many days, she will do both activities?

B. What date she will do both activities?