TLS Online TPP Program

#Question id: 3464


Adult male humans generally have deeper voices than do adult female humans, which is the direct result of higher levels of testosterone causing growth of the larynx. If the fossil records ofapes and humans alike show a trend toward decreasing larynx size in adult females and increasing larynx size in adult males, then

#Unit 9. Evolution & Diversity of Life Forms
  1. sexual dimorphism was evolving over time in these species

  2. intrasexual selection seems to have occurred in both species

  3. stabilizing selection was occurring in these species concerning larynx size

  4. selection was acting more directly upon genotype than upon phenotype

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TLS Online TPP Program

#Question id: 7534

#General Aptitude

A person wanted to travel from charabag to Alambag with an average speed of kmph by car. The distance between Charbag and Alambag is 2 km . Due to heavy traffic, he could travel at 30 kmph for the first kilometer of his journey . What should his speed his speed be for the remaining journey to achieve his average speed target of 60 kmph ?

TLS Online TPP Program

#Question id: 7535

#General Aptitude

Ratio between speed of boat in still water to speed of stream is 5 : 2. If 224 km is travelled by downstream in 4 hours then find the difference between speed of boat in still water and speed of stream?

TLS Online TPP Program

#Question id: 7536

#General Aptitude

Two stations A and B are 220km apart on a straight line. One train starts from A at 7 am and travels towards B at 20km/hr speed. Another train starts from B at 10 am and travels toward A at a speed of 20 km/hr. At what time they will meet?

TLS Online TPP Program

#Question id: 7537

#General Aptitude

A train 220m long passed a pole in 20 seconds. How long it will take to pass a platform 550m long?

TLS Online TPP Program

#Question id: 7538

#General Aptitude

Two trains of equal length are running on parallel lines in the same direction at 57km/hr and 39km/hr. The faster train passes the slower train in 20sec. The length of each train is?

TLS Online TPP Program

#Question id: 7539

#General Aptitude

A person standing on a platform of length 300 meters observed that a train takes 15 seconds to pass him, passed completely through the platform in 40 seconds. Them the length of the train (in meters) is