Q.In a business, the ratio of Lalu and Bhulu's capital is 3:2. If Bhulu's investment period is 4 months, for how many months should Lalu invest so that the profit ratio becomes 9:4?

āϧāϰāĻŋ, āϞāĻžāϞ⧁ āĻ“ āϭ⧁āϞ⧁āϰ āĻŽā§‚āϞāϧāύ āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ \(3x\) āϟāĻžāĻ•āĻž āĻ“ \(2x\) āϟāĻžāĻ•āĻž āĨ¤
āϧāϰāĻŋ, āϞāĻžāϞ⧁ \(t\) āĻŽāĻžāϏ⧇āϰ āϜāĻ¨ā§āϝ āĻŦāĻŋāύāĻŋā§Ÿā§‹āĻ— āĻ•āϰāĻŦ⧇ āĨ¤
\(\therefore 3x\times t:2x\times 4=9:4\)
āĻŦāĻž, \(\cfrac{3t}{8}=\cfrac{9}{4}\)
āĻŦāĻž, \(t=\cfrac{9}{4}\times \cfrac{8}{3}=6\)

\(\therefore\) āϞāĻžāϞ⧁ āϤāĻžāϰ āĻŽā§‚āϞāϧāύ 6 āĻŽāĻžāϏ⧇āϰ āϜāĻ¨ā§āϝ āĻŦāĻŋāύāĻŋā§Ÿā§‹āĻ— āĻ•āϰāĻŦ⧇ āĨ¤
- translate in english
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