SSC CPO 13th-March-2019-Shift-2

The efficiencies of A. B and C are in the ratio 5 : 6 : 8. Working together. they can complete a piece of work in 120 hour's. In how many hours will, B alone be able to complete 40% of that work?

The price of sugar has increased by 14%. By what percentage can a person decrease the consumption so that there is an increase in the expenditure by 8% only? (correct to one decimal place)

In the given bar graph, in which college, the percentage of boys is the highest?

The value of $$\frac{\sin^2 60^\circ + \cos^2 30^\circ - \sec 35^\circ.\sin 55^\circ}{\sec 60^\circ+\cosec 30^\circ}$$ is equal to:

The value of $$6\frac{1}{5}-\left[4\frac{1}{2}-\left\{\frac{5}{6}-\left(\frac{3}{5}+\frac{3}{10}-\frac{7}{15}\right)\right\}\right]$$ is:

A shopkeeper sold two articles for ₹ 9,879 each. On one, he gained 11% and on the other. he lost 11%.What is the overall percentage gain or loss?

$$\frac{63.5 \times 63.5 \times 63.5 + 36.5 \times 36.5 \times 36.5}{6.35 \times 6.35+3.65 \times 3.65 - 6.35 \times 3.65}$$ is equal to:

From the top of a 120 m high tower, the angle of depression of the top of a pole is $$45^\circ$$ and the angle of depression of the foot of the pole is $$\theta$$, such that $$\tan \theta = \frac{3}{2}$$, What is the height of the pole?

What is the ratio of mean proportional between 3.6 and 12.1 and third proportional between 2 and 11?

Pipes A and B can fill a tank in 16 hours and 24 hours respectively whereas pipe C can empty the full tank in 40 hours. All three pipes are opened together. but pipe A is closed after 8 hours. After how many hours. the remaining part of tank will be filled?