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Among the following which one lays eggs and does not produce young ones directly?
In December 2017, Indian Railways announced to equip all trains with Bio-Toilets by ______
If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is
The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is :
Who has won the Best Actor award in the 90th Oscar awards 2018?
For how many days did Mahatma Gandhi's volunteers of the Salt satyagrah walked?
Which type of city administration controls larger urban area?