SSC CHSL 25th May 2022 Shift-3

If the average of n quantities is P and the average of m quantities is Q, then the average of (m + n) quantities is:

Study the given graph and answer the question that follows.
The graph shows the number of appeared candidates and passed candidates (in hundreds) in a test from six different institutions.

Also, the question should be "What is the average number (in hundreds) of candidates to have passed per institution?

A software company has only 3 divisions that have 20, 30 and 40 employees, respectively. If the working percentage of this during a weekend were 20%, 30% and 40%, respectively, then the working percentage of the entire company during that weekend was approximately:

If $$r+\frac{64}{r}$$, then the value of $$r^{4}+\frac{1}{r^{3}}$$ is __________.

There are two types of milk. The price of one type of milk is ₹70/litre and the price of other type of milk is ₹50/litre. If the two types of milk are mixed, the price of new mixture will be ₹55/litre. Find the ratio of the two types of milk in this new mixture.

A man completes a journey in ten hours.He travels at a speed of 21 km/h for the first half of the journey and at a speed of 24 km/h for the second half. Calculate the total distance travelled (in kilometres).

The radii of two circles are 4 cm and 7 cm and the distance between their centres is 12 cm. Find the length of the direct common tangent to the circles.

If p = 11, then the value of $$p\left(p^{2} + 3p + 3\right)$$ is:

$$24 - \left[52 - \left\{4 +10 \times \left(-3\right)\right\}\right]$$ = ?

The ratio of income of A to that of B is 4 : 3 . The expenditure of A is $$\frac{5}{12}$$ of his income and the expenditure of B is $$\frac{7}{15}$$ of his income. The difference between their expenditures is, ₹4,500. Find the income of B.