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ATQ, Total length to be travelled by the bus in order to cross each other = 200 + 150 = 350 m While travelling in same direction, Relative speed of the bus = 72 – 54 = 18 km/hr = 18 × (5/18) = 5 m/sec Required time taken = (350/5) = 70 sec While travelling in opposite direction, Relative speed of two buses = 72 + 54 = 126 km/hr = 126 × (5/18) = 35 m/sec Required time taken = (350/35) = 10 sec Required difference = 70 – 10 = 60 sec
Vinegar contains which of the following acids?
Which statement about the Human Genome Project is incorrect?
Arrange the steps of recombinant DNA technology in the correct order:
(A) Ligation
(B) Transformation
(C) Restriction digestion
...In roots, the protoxylem lies towards the periphery and the metaxylem towards the center. This arrangement of primary xylem is called ____________.
Which substance is secreted by the liver?
Which of the following plays a significant role in our stomach in checking disease causing microbes ?
Which of the following is a unicellular organism?
I. Amoeba
II. Paramecium
Which part of the brain is responsible for actions like thinking, intelligence, memory, and learning?
Alveoli are related to which system of the human body?
Match List-I with List-II :
Choose the correct answe...