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Given expression : x 5 - 100 x 4 + 100 x 3 - 100 x 2 + 100 x - 1 = x5 - 99x 4 - x4 + 99 x 3 + x3 - 99 x2 - x2 + 99 x + x - 1 = x5 -x5 -x4 + x4 +x3-x3-x2+x2+99 -1 [given that x = 99 ] = 99-1 = 98
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A train 600 metres long is running at a speed of 54 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:
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A 250-meter-long train crosses a 150-meter-long train coming from the opposite direction in 20 seconds. If the speed of the first train is 45 km/h, then...
Train 'K' leaves at 6:00 PM on Saturday from Ahmedabad station and reaches Surat station at 8:00 AM the next day, while train 'L' leaves at 7:00 PM on S...
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A Train Rajdhani Express leaves Kanpur station at 6 am and reaches Lucknow station at 10 am. Another Train Shatabdi Express leaves Lucknow station at 8 ...