Question

Find all the possible values of P and Q, if 342PQ is divisible by 15.​

Answer 1

Answer:

P = 0 , Q = 0

P = 1 , Q = 5

P = 3 , Q = 0

P = 4 , Q = 5

P = 6 , Q = 0

P = 7 , Q = 5

P = 9 , Q = 0

Step-by-step explanation:

Try dividing 34200 by 15 ... 34200 is divisible by 15

Meaning that PQ must be divisible by 15 too

Possible combinations :

P = 0 Q = 0

P = 1 Q = 5

P = 3 Q = 0

P = 4 Q = 5

P = 6 Q = 0

P = 7 Q = 5

P = 9 Q = 0