A worker noticed that the hour hand on the factory clock had moved by 225 degrees during her stay at the factory. For how long did she stay in the factory?

The sum and product of two integers are 26 and 165 respectively. The difference between these two integers is _____.

The minister avoided any mention of the issue of women’s reservation in the private sector. He was accused of _____ the issue.

The measures of dispersion of a dataset are

In photogrammetry, the ‘Tilt of a photograph’ refers to the angle between the

For a “positive definite” square matrix, the TRUE statement is

The standard normal distribution is a

The net annual cash flows for two small scale mining projects A and B are given below. The correct decision assuming 10% discount rate as per NPV criterion is

Variance of the sum of two statistically independent random variables $X$ and $Y$, $\sigma_{X+Y}^2$, is

Given impeller diameter $D$, speed of rotation $n$ and air density $\rho$, for geometrically similar fans, the fan pressure is proportional to