Mathematics Tes...

If \(A\) and \(B\) are two matrices such that \(A B=A\) and \(B A=B\), then \(B^2\) Is equal to:

Find the number of words that can be formed out of the letters of the word COLOUR?

The equation of the line passing through (0, 0) and perpendicular to the line 2x + 3y + 5 = 0, is:

What is the probability of getting \(53\) Mondays in a leap year?

What is the area of the region enclosed between the curve \(\mathrm{y}^{2}=2 \mathrm{x}\) and the straight line \(\mathrm{y}\) \(=x\)?

If \({ }^{\mathrm{n}} \mathrm{P}_{2}=30\), then the value of \(\mathrm{n}\) is:

Sum of the power of all coefficient's in the expansion of \(\left(2 x^{2}-\frac{5}{x}\right)^{13}\) is:

The locus of the point from which the tangent to the circles \(x^{2}+y^{2}-4=0\) and \(x^{2}+y^{2}-8 x+15=0\) areequal is given by the equation :

A quadratic equation whose one root is \(3\) is:

Cards marked with numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this box randomly, then the probability that the number on card is a perfect square.