He ratio between the present ages of p and q is 5:8. After four years the ratio between their ages will be 2 : 3. What is q's age at present? 36 years
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Answer: 32
Step by step explanation:
p:q=5:8
p's present age=5x
q's present age=8x
After 4 years,
(5x+4):(8x+4)=2:3
5x+4/8x+4= 2/3
15x+12=16x+8
12-8=16x-15x
4=1x
x=4
q's present age=8x =8×4=32
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