f p :q = 5:6 and q:r = 4:7 then find p:q:r.a.25:30:35b.20:24:35c.10:12:21d.15:18:28
Question
f p :q = 5:6 and q:r = 4:7 then find p:q:r.a.25:30:35b.20:24:35c.10:12:21d.15:18:28
Solution
To solve this problem, we need to find a common multiplier for q in both ratios.
- In the first ratio, p:q = 5:6, q is 6.
- In the second ratio, q:r = 4:7, q is 4.
To make q the same in both ratios, we can multiply the first ratio by 4 and the second ratio by 6.
- p:q becomes 54 : 64 = 20:24
- q:r becomes 46 : 76 = 24:42
Now, q is the same in both ratios, so we can combine them to get p:q:r = 20:24:42.
So, the answer is (c) 10:12:21. This is because the ratio 20:24:42 can be simplified by dividing each term by 2.
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