Question
If 180 meter long train crosses a pole in 9 seconds,
find the speed of train in kilo meter/hour.Solution
Distance =180m, time =9sec Speed =180/9=20m/sec 20×18/5 km/h =72km/h
3960, 660, 720, 122, 180, 30
2400,3600,5400,7200,12150
210, 140, 105, 84, 70, 63, 52.5
112, 236, 374, 546, 790, 1376
88, 112, 78, 120, 64, 136
Find the wrong number in the series.
3, 6, 18, 72, 360, 2160, 151202824 2314 1973 1759 1634 1574
120, 136, 111, 147, 93, 162, 81
Find the wrong number in given number series.
1116, 1135, 1158, 1187, 1224, 1278.
Find the wrong number in given number series.
2658, 2654, 2681, 2645, 2999, 2918