Battle of Plassey was fought by the British under the leadership of
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The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The 11th observation is
If the angles of a triangle are in the ratio of 1 : 4 : 7, then find the ratio of the greatest angle to the smallest angle.
What does PDA stand for?
What of the following refers to hypotheses which are confirmed by varied tests?
What denotes learned and shared beliefs and behaviors?
When is International day for Preservation of Ozone layer observed?
The height of a light house is 20 mts above sea level. The angle of depression (from the top of the lighthouse) of a ship in the sea is 30 deg. What is the distance of the ship from the foot of the light house?