Find co-ordinates of the mid point of the segment joining points C (3,-5) and D (-7,3).
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If (1 - cosA)/(1 + cosA) = x, then the value of x is
What is the area (in sq cm) of a regular hexagon of side 9 cm?
A dealer allows a discount of 15%. A customer pays an amount of Rs. 318.75 for an article. At what price is the article listed?
The areas of two similar triangles ΔXYZ and ΔPQR are 100 sq cms and 25 sq cms respectively. If PQ = 4 cm then what is the length of XY (in cm)?
The mean of 10 observations is 13. Two more observations are included and the new mean becomes 14. The mean of two new observations is
If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?
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