If cotθ = 4, then the value of 5sinθ+3cosθ5sinθ-3cosθ is
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Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is
Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is
The least number that must be substracted from 63520 to make the result a perfect square is
The value of sinθ+sin∅cosθ+cos∅ + cosθ-cos∅sinθ-sin∅ is
If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be
Ram is 20 years younger than Shyam. 5 years ago, the ratio of their age was 3:5. The sum of their present age is
List price of TV is Rs. 2300 and discount series found to be 25% and 10%. Then the selling price of TV is