A. X and Y chromosomes have descended from a common, very ancient autosome pair. 

B. X and Y chromosomes have descended from different autosome. 

C. During evolution, the X chromosome has retained most of the original genes, whereas the Y chromosome has lost most of them.

D. During evolution, the X chromosome has lost most of them, whereas the Y chromosome has retained most of the original genes.

Which of the following is correct combination

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#Question id: 26594

#General Aptitude

Vande-Bharat express runs at a speed of 120 km/h. It starts from a station 8 hours after a goods train leaves that station. Vande-Bharat overtakes the goods train after 4 hours. The speed of the goods train is:

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#Question id: 26616

#General Aptitude

Imran runs at 10 miles/hour and completes a track in 151.2 minutes. His friend Nawaz completes the same track in 210 minutes. How fast was Imran running compared to his friend?

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#Question id: 23003

#General Aptitude

An aircraft circumnavigates the earth 10 km above the earth’s surface. If it completes one full circle, the distance covered will be _____ greater than the circumference of the earth. (Assume earth radius is 3280 km, and 𝝅 = 3.14) 

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#Question id: 23007

#General Aptitude

A 100 m long train is running at a speed of 68 km/h. A man is also running in the same direction with a speed of 8 km/h. In what time will the train overtake the running man? 

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#Question id: 20453

#General Aptitude

A stationary car is accelerated at the rate of 5 m/s2. The distance covered by the car till it reaches a speed of 40 m/s is:

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#Question id: 21577

#General Aptitude

Two particles are moving back and forth in a 10 m long tube. Particle ‘P’ is moving at a speed of 5m/s and particle ‘Q’ at a speed of 2 m/s. Consider that Both P and Q start at the same time in the same direction. How much times will ‘P’ cross ‘Q” by the time ‘Q’ reaches the end of the tube?