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Given, a + (1/a) = 2 Or, a2 + 1 = 2a Or, a2 – 2a + 1 = 0 Or, a2 – a – a + 1 = 0 Or, a(a – 1) – 1(a – 1) = 0 Or, (a – 1)(a – 1) = 0 Or, a = 1 So, (a5 + a3 + 6)/(7a – 5) = (1 + 1 + 6)/(7 – 5) = 8/2 = 4
A goods train departs from Jaipur towards Udaipur at 6:00 PM, while a passenger train leaves Udaipur for Jaipur at 9:00 PM. The two trains meet at Jaisa...
Train P travelling at 42 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 30 km/hr in 21 seconds...
Train X crosses a stationary train Y in 45 seconds and a pole in 25 seconds with the same speed. The length of the train X is 250 meters. What is the le...
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:
Train P, which is 300 meters long, passed train Q moving in the opposite direction toward it in 16 seconds. Train Q took 16.8 sec...
Two poles are positioned at a certain distance from each other. A train traveling at a speed of 90 km/hr passes the first pole in 5 seconds and reaches ...
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...
A train after travelling 150 km meets with an accident and then proceeds at of its former speed and arrives at its destination 8 hrs late. Had the accid...
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 ...
