Which of the following is a disadvantage of group living for many species?

a. Competition between individuals for resources is increased

b. It can reduce predator success

c. It can reduce reproductive success

d. It increased transmission of parasites and other diseases

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#Question id: 7522

#General Aptitude

A worker may claim Rs 15 each km which he travels by taxi and Rs 5 for each km which he drives his own car. If in one week he claimed Rs 500 for travelling 80 km, how many km did he travel by taxi?

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#Question id: 7523

#General Aptitude

A, B and C are three participants in a kilometer race. If A can give B a start of 40 m and B can give C a start of 25 m, how many meters of a start can A give to C?

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#Question id: 7524

#General Aptitude

City X is at a distance of 560 km from City Y. A train starts from City Y to City X at 6 a.m. with a speed of 40 kmph. Another train starts from City X to City Y at 7 a.m. with a speed of 60 kmph. At what distance from City Y will the two trains be at the point of crossing?

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#Question id: 7525

#General Aptitude

A 100 m long train crosses a 200 m long and 20 m wide bridge in 20 second. What is the speed of the train in km/hr?

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#Question id: 7526

#General Aptitude

Walking from my home, at a speed of 5 km/h, I am 8 minutes late in reaching my office.If I walk at a speed of 8 km/h, I reach 5 minutes late. How far is my office from the house?

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#Question id: 7527

#General Aptitude

A train is running at a speed of 72 km/h . it crosses a platform whose length is half that of the train in 30 seconds. what is the length of the platform?