ABCD is a trapezium such that AB and CD are parallel and BC is perpendicular to them. Let ∠ADB = θ, ∠ABD = α, BC = p and CD = q. What is AB equal to?
(p² + q²) sin θ / (p cos θ + q sin θ)
(p² − q²) cos θ / (p cos θ + q sin θ
(p² + q²) sin θ / (q cos θ + p sin θ)
(p² − q²) cos θ / (q cos θ + p sin θ)
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy