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Given that the straight lines (kx – 5y + 6 = 0) and (mx + ny – 1…

Find the value of the constant k for which (a = 4 i – k j) and (b =…

The initial and final velocities of an object of mass 5 kg are (u = begin{pmatrix} 1 \…

If (y = x^{2} – 6x + 11) is written in the form (y = a(x – h)^{2}…

If (p = begin{pmatrix} 2 \ -2 end{pmatrix} ) and (q = begin{pmatrix} 3 \ 4 end{pmatrix}), find…

A test consists of 12 questions out of which candidates are to answer 10. If the first 6…

A body starts from rest and moves in a straight line with uniform acceleration of (5 ms^{-2}). How…

If n items are arranged two at a time, the number obtained is 20. Find the value of…

Express (r = (12, 210°)) in the form (a i + b j). A. (6(-i + sqrt{3} j))…

Marks 2 3 4 5 6 7 8 No of students 5 7 9 6 3 6 4…