Answers A uniform beam, WX, of length 90 cm and weight 50N is suspended on a… A uniform beam, WX, of length 90 cm and weight 50N is suspended on a pivot, 35 cm… Read More
Answers Find the coordinates of the point which divides the line joining (7, -5) and… (a) Find the coordinates of the point which divides the line joining (7, -5) and (-2, 7) externally… Read More
Answers If sin x (frac{P – Q}{P + Q}), where 0(^o) (leq) x (leq) 90(^o), find 1… If sin x (frac{P – Q}{P + Q}), where 0(^o) (leq) x (leq) 90(^o), find 1 – tan(^2)x Explanation… Read More
Answers How many terms of the series -3 -1 + 1 +….. add up to 165?… How many terms of the series -3 -1 + 1 +….. add up to 165? Explanation Observe… Read More
Answers In a bakery, 30% of loaves of bread produced are of bad quality. If twelve loaves are… (a) In a bakery, 30% of loaves of bread produced are of bad quality. If twelve loaves are selected at random… Read More
Answers P(-1, 4), Q(2, 3), R(x, y) and S(-2, 3) are the verticles of a… (a) P(-1, 4), Q(2, 3), R(x, y) and S(-2, 3) are the verticles of a parallelogram. Find the… Read More
Answers Forces(5N, 030(^o)), (PN, 060(^o)), (QN, 150(^o)), (3N, 180(^o)) and (5N, 270(^o)) act on a body… Forces(5N, 030(^o)), (PN, 060(^o)), (QN, 150(^o)), (3N, 180(^o)) and (5N, 270(^o)) act on a body . If the… Read More
Answers Using determinants, solve the following equations simultaneously. 5x — 6y + 4z = 15 7x… Using determinants, solve the following equations simultaneously. 5x — 6y + 4z = 15 7x + 4y —… Read More
Answers The table shows the distribution of masks obtained by students in an examination. Marks 50… The table shows the distribution of masks obtained by students in an examination. Marks 50 – 54 55… Read More
Answers If sin p = (frac{1}{2}) and cos q = (frac{1}{3}), evaluate sin(p – q), where… (a) If sin p = (frac{1}{2}) and cos q = (frac{1}{3}), evaluate sin(p – q), where 0(^o) (geq) p… Read More