Question

P, Q and R are three cities. The ratio of average temperature between P and Q is 11 : 12
and that between P and R is 9 : 8. The ratio between the average temperature of Q and R
is
(a) 22 : 27 (b) 27 : 22 (c) 32 : 33 (d) none of thes​

Answer 1

Answer:

(b). 27 : 22

Step-by-step explanation:

P : Q = 11 : 12 ===> Q = $\frac{8P}{9}$

P : R = 9 : 8 ===> R = $\frac{12P}{11}$

$\frac{Q}{R}$ = $\frac{12P*9}{11*8P}$ = $\frac{27}{22}$

Q : R = 27 : 22