Which of the following options correctly states a property of probability?

Which of the following statements is correct about the skew-symmetric matrix?

Which of the following options is the correct value of the derivative of tan (2a + 3)?

Select the correct unit vector from the Figure 2 which is in the direction of sum of two vectors m and n, given in the Figure 1.

By using elementary operation. f‌ind the correct inverse of matrix X given in the Figure 1. and choose the correct answer from the Figure 2.

Choose the correct answer from the options given below.

To divide a number by 1,000, move the decimal point _____.

If r is a real zero of even multiplicity of a function f, then the graph of f ____ the x-axis at r.

All of these statements are true about the maintenance phase except ________.

An event that occurs by reaching a point in time is called a _______ event.

Older systems that often contain data of poor quality are called ________ systems.