PS APR 04 [2 - 3]

Highest Common Factor (HCF) is also known as

• Highest Common Dividend

• Highest Common Divisor

• Lowest Common Divisor

Least Common Multiple is also known as

• Least Common Divisor

• Greatest Common Dividend

• Least Common Dividend

(a)   is the common factor of all the numbers from 2 to 10.

A number has ​ (a)   factors, but ​ (b)   multiples.

• countable
• infinite

The HCF of 16 and 24 is

(a)  

The Lowest Common Multiple of 6 and 8 is

• 12

• 16

• 24

• 48

Find the LCM of 20 and 15.

(a)  

Match the following

• 30

• LCM of 15 and 10

• number itself

• HCF of 35 and 49

• 4

• HCF of 20 and 24

• 7

• Greatest factor of a number

Priya bought 27 cupcakes and 45 chocolates for serving in her birthday party. She wants to serve the same number of each item in every plate without anything left over. What is the maximum number of plates she can arrange?

• 5

• 3

• 9

• 1

Karan has bought a blue pen which needs a refill in every 7 days and a black pen which needs a refill every 6 days. Today, he has put a new refill in both the pens. After how many days will he refill both the pens together?

• 24

• 42

• 48

• 49