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Let the cost price and marked price of the article be Rs. 6x and Rs. 11x, respectively Therefore, selling price of the article = 1.50 × 6x = Rs. 9x According to the question, 11x – 9x = 450 Or, x = 450/2 = 225 Therefore, amount by which article is marked up above its cost price = 11x – 6x = 5x = Rs. 1125
The value of sec2 45˚ + 2 tan 135˚ is –
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
If sin(3θ) = cos(2θ), then find the value of θ between 0 and 90 degrees.
If sin A = 3/5 and cos B = 4/5, where A and B are acute angles, find the value of sin(A + B).
tan 20˚ x tan 23˚ x tan 67˚ x tan 70˚ = ?
Take θ = 450
The minimum value of 9 cos2 θ + 36 sec2 θ is
If 30sin4theta; + 45 cos4theta; = 18 . Then find the value of 216 cosec6theta; + 64 sec6
A tree of height 'h' metres is broken by storm in such a way that its top touches the ground at a distance of 'x' metres from t...