Question
The effluents of which among the following industries
are considered to be the main cause for lowering the pH value of river water?Solution
The correct answer is A
More Previous Year Paper Questions
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
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If Sin 3A = Cos (A - 46°) where 3A is acute angle, then the Value of A is
If SecA + TanA = 2√2 + 3, then find the value of Sin A + Cos A
Given that 'θ' is an angle less than 120 ° , what is the value of 'θ' if it satisfies the equation 3cos 2 θ = 2 + sin 2
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Find the value of sin265o + sin225o + cos235o + cos255o.
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If √3 tan x = 3, then the value of x:
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