Shivam is 10% less efficient than Vivek. If Vivek can make a helmet in 9 days, then in how many days Shivam can complete the same work?
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On selling 120 bottles, Vijay earns profit equal to the cost price of 10 bottles. What is the profit percentage?
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cosA/(1 - sin A) is equal to
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Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?
What is the value of sec 4π/3?