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In a triangle ABC, the internal bisector of the angle A meets BC at D. If AB = 4, AC = 3 and ∠A = 60∘, then the length of AD is:
Marked price of an article is Rs.275 Shopkeeper allows a discount of 5% and he gets a profit of 4.5%. The actual cost of the article is-
On a semicircle with diameter AD, chord BC is parallel to the diameter. Further, each of the chords AB and CD has length 2, while AD has length 8. What is the length of BC?
A man walks ‘a‘ km in ‘b’ hours. The time taken to walk 200 metres is:
If x + 1/y = 1 and y + 1/z = 1, what is the value of xyz?
If a cosθ − b sinθ = c , then b cosθ + a sinθ = ?
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