Question

The product of 4pq and 5r is
(a) 20pqr
(b)4pr
(c)5qr
(d)25pqr​

Answer 1

Option a 200pqr bro as

5x4=20,pq x r=pqr
20x pqr =20pqr

Answer 2

Answer:

Option (a) $20pqr$ is correct.

Step-by-step explanation:

Given : $4pq*5r$

To find : The product of the given expression.

Solution :

• The given expression is $4pq*5r$.
• We have to find the value of the given expression.
• Multiplication is one of the important arithmetic operation of mathematics among division, multiplication, addition and subtraction.
• With the help of multiplication, we can find the multiples of the given numbers.
• The rule of multiplication is "-ve*-ve=+ve" and "+ve*-ve=-ve".
• The given expression is,

      $4pq*5r = 20pqr$

• ∴ Option (a) $20pqr$ is correct.