With a few exceptions, most of the food chains studied by ecologists have a maximum of how many links?

TLS Online TPP Program

#Question id: 11860

#General Aptitude

The traffic lights at three different road crossing change after every 48 sec , 72 sec, and 108 sec. Respectively . If they all change simultaneously at 8 : 20 : 00 hours , then at what time will they again change simultaneously ?

TLS Online TPP Program

#Question id: 7495

#General Aptitude

A train 100 m long is running at the speed of 30 km/hr. Find the time taken by it to pass a man standing near the railway line.

TLS Online TPP Program

#Question id: 7496

#General Aptitude

A goods train runs at the speed of 63 km/h and crosses a 250 m long bridge in 28 s, what is the length of the goods train?

TLS Online TPP Program

#Question id: 7497

#General Aptitude

How many seconds will a 375 m long train take to cross a man walking with a speed of 2 km/h in the direction of the moving train, if the speed of the train is 56 km/h?

TLS Online TPP Program

#Question id: 7498

#General Aptitude

Two trains of length 250 m and 140 m are running on parallel lines in the same direction at 58 km/h and 32 km/h respectively. Find the time taken by the slower train to pass the driver of the faster one.

TLS Online TPP Program

#Question id: 7499

#General Aptitude

Two trains, one from A to B and the other from B to A, start simultaneously. After theymeet, the trains reach their destinations after 4 h and 9 h respectively. The ration of their speeds is