What marks the onset of puberty in females?
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15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?
8 x {5 - (-2) x (-3)} = ?
Calculate the sum of squares from 1 to 9.
If triangle ABC = triangle XYZ and angle BAC = 55 deg, then angle ZXY = ?
The capacity to do work is called
A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.
The upper part of a tree broke at a certain height makes an angle of 60 ° with the ground at a distance of 10 m. from its feet. The original height of the tree was