Question
When the Ratio of speeds of Aman and vinod is given as 9
: 7 respectively. If Aman gives vinod a start of 60 metres then how far must be the winning Line so that Aman and vinod reached there at the same time?Solution
ATQ, we can say that  Ratio of speed of Aman to Vinod = 9 : 7  Time taken by Aman to cover 9 units distance = Time taken by Vinod to cover 7 units distance Aman is 2 units ahead of Vinod in a race of 9 units races.  Therefore, Required distance is =  (9/2) x 60  = 270 metres
A series is 2100, 3431, 2431, 3160, 2648, 2991
If another series 1728, __, __, __, __, p, follows the same pattern as the given number series, th...
10Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 8.5Â Â Â Â Â Â Â Â Â Â 16Â Â Â Â Â Â Â Â Â Â Â Â Â ?
...1, 27, ?, 343, 729, 1331
38    40    83    254    ?     5126
Choose the number which is different from others in the group.
62 123 214 341 ? 727
...642 202 541 312 523 ?
...800    544    416    352    ?     304
9060 5685 3488 2157 1428 1077
61                          48                          ?                    ...
Relevant for Exams:
