Quantitative aptitude

If a:b = 5:7 and c:d = 2a:3b, then ac : bd is

July 26, 2023

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If a:b = 5:7 and c:d = 2a:3b, then ac : bd is

Question	If a:b = 5:7 and c:d = 2a:3b, then ac : bd is
Type	multiple_choice
Option	20:38	incorrect
Option	50:147	correct
Option	10:21	incorrect
Option	50:151	incorrect

Solution

If a:b = 5:7 and c:d = 2a:3b, then ac : bd is

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Rohit got profit of 11½% by selling his old car. However he realized that had he sold it for Rs. 8100 more, his profit would be 38.5%. At what price did he buy the car?

If a:b = 5:7 and c:d = 2a:3b, then ac : bd is

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If A:B = 2:3, B:C = 4:5 and C:D = 6:7, then A:B:C:D is

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