Question
The speeds of the three cars are in the ratio of 2: 3:
6. The ratio of respective time taken by these cars to travel the same distance is:Solution
The ratio of three cars Speed =2:3:6 Ratio of time =6/2:6/3:6/6 =3:2:1.
1, 27, ?, 343, 729, 1331
7 98 644 3145 12596 37797
...30, 39, 66, ? , 174, 255
15, 65, 165, 315, ?, 765
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...91   93   97   100   ?   113
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...