Question
If P: Q = 4: 5 and Q: R = 5: 7, then find the value of
(P + Q): (Q + R): (R + P).Solution
P: Q = 3:5 And Q: R= 5:7 SO P: Q: R=3:5:7 So, Now (P+Q) :(Q+R) :(R+P) = (3+5) :(5+7) :(3+7) =8:12:10 = 4: 6:5
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