Question

P, Q and R are three numbers. The ratio of P to Q is 2 : 1, and Q to R is 9 : 8. What is the ratio of P to R?

Answer 1

Answer:

8:18

Step-by-step explanation:

P,Q= 2:1

Q,R=9:8

R/P=P/Q×Q/R

R/P=2/1×9/8

R/P=18/8

P/R=8/18

P:R=8:18