The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?
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Compute : (50 + 0.5 x 20) / 0.7
What is the reflection of the point (-3, 1) in the line x = -2?
The orthocentre of a triangle is the point where
Find the sum of the measures all the interior angles of a polygon having 12 sides.
If triangle ABC = triangle XYZ and angle BAC = 55 deg, then angle ZXY = ?
The copper wire when bent in the form of a square encloses an area of 121 cub.cm. If the same wire is bent into the form of a circle, find the area of the circle.
The least number that must be subtracted from 202 to make it a perfect square is