If 6 x 4 = 12 and 7 x 3 = 28 then 11 x 3 = ?
(6 – 4) x 6 = 12 (7 – 3) x 7 = 28 (11 – 3) x 11 = 88
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Train A takes 45 minutes more than train B to travel a distance of 450 km. Due to engine trouble speed of train B falls by a quarter, so it takes 30 min...
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Ratio of speeds of ‘A’ and ‘B’ is 11:13, respectively. If they participate in a 130-metre race and ‘B’ gives ‘A’, a head start of ‘mâ€...
If the sum of upstream and downstream speed is 32 km/hr and the speed of the current is 6 km/hr. Then find time taken to cover 44 km in downward?