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Present ages of Anu and Madhu are in the ratio 3 : 4. Ten years from now the ratio of their ages will be 4:5. Find their present ages. |
Answer» <html><body><p> </p><p>Present ages of Anu and Madhu are in the <a href="https://interviewquestions.tuteehub.com/tag/ratio-13379" style="font-weight:bold;" target="_blank" title="Click to know more about RATIO">RATIO</a> 3 : 4. <a href="https://interviewquestions.tuteehub.com/tag/ten-659720" style="font-weight:bold;" target="_blank" title="Click to know more about TEN">TEN</a> years from now the ratio of their ages will be 4:5. Find their present ages.</p><p></p><p> </p><p>= Let their present age be <a href="https://interviewquestions.tuteehub.com/tag/4a-318696" style="font-weight:bold;" target="_blank" title="Click to know more about 4A">4A</a> and 5a.</p><p></p><p>After 8 years, their ages will be (4a+8) and (5a+8)</p><p></p><p>Ratio would be (4a+8) : (5a+8)</p><p></p><p>But this ratio is given to be 5:6. <a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a></p><p></p><p>(4a+8) : (5a+8) = 5:6</p><p></p><p>solve this (4a+8) / (5a+8) = 5/6</p><p></p><p>=> 6 <a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a> (4a+8) = (5a+8) x 5</p><p></p><p>=> 24a + 48 = 25a + 40</p><p></p><p>=> a = 8</p><p></p><p>So their present age would be</p><p></p><p>4a = 4x8 = 32</p><p></p><p>5a = 5x8 = 40</p></body></html> | |