SSC CGL Tier-2 13th September 2019 Maths

A right prism has height 18 cm and its base is a triangle with sides 5 cm, 8 cm and 12 cm. What is its lateral surface area (in $$cm^2$$) ?

A can do one-third of a work in 15 days, B can do 75% of the same work in 18 days and C can do the same work in 36 days. B and C work together for 8 days. In how many days will A alone complete the remaining work?

A person buys 80 kg of rice and sells it at a profit of as much money as he paid for 30 kg. His profit per cent is:

To cover a distance of 416 km, a train A takes $$2\frac{2}{3}$$ hours more than train B. If the speed of A is doubled, it would take $$1\frac{1}{3}$$ hours less than B, What is the speed (in km/h) of train A?

The value of $$\frac{2\sqrt{10}}{\sqrt{5} + \sqrt{2} - \sqrt{7}} - \sqrt{\frac{\sqrt{5} - 2}{\sqrt{5} + 2}} - \frac{3}{\sqrt{7} - 2}$$ is:

The price of oil is increased by 20%. However, its consumption decreased by $$8\frac{1}{3}\%$$. What is the percentage increase or decrease in the expenditure on it?

The average age of 120 students in a group is 13.56 years. 35% of the number of students are girls and the rest are boys. If the ratio of the average age of boys and girls is 6 : 5, then what is the average age (in years)of the girls?

The marked price of an article is ₹1500. If two successive discounts, each of x% . on the marked price is equal to a single discount of ₹587.40, then what will be the selling price ofthe articleif a single discount of x% is given on the marked price?

Two parallel chords on the same side of the centre of a circle are 12 cm and 20 cm long and the radius of the circle is $$5\sqrt{13}$$ cm. What is the distance (in cm) between the chords?

Study the following bar graph and answer the question given.

The ratio of the total demand of motor cycles of companies A, C and E to the total production of motorcycles of B and C is: