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ATQ, Total distance travelled by the trains = 130 + 130 = 260 meters = 0.26 km Time taken = (13/3600) hours Let the speed of the slower train be ‘x’ km/hr Speed of the faster train = 2x km/hr Their relative speed = (2x + x) = 3x km/hr According to the question, Therefore, the speed of the slower train = 24 km/hr.
Choose the correct statements:
(A) Naphtha is a fraction of petroleum.
(B) Percolation is downward movement of water through soil.
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Most abundant part of a plant cell wall is
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Aqua regia is a mixture of:
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To convert the hectares into acre by multiplying hectare with………….
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Number of stamens in green gram is:
Tissue culture is common commercial propagation method in