SSC CHSL 12th April 2021 Shift-3

Two circles touch internally. Their diameters are, respectively, 8 cm and 4 cm. Whatis the distance (in cm) between their centres?

If a and b are the lengths of two sides of a triangle such that the product ab = 24, where a and are integers, then how many such triangles are possible?

The marked price ofan article is ₹1,280. If a shopkeeper sold the article at 12% profit after giving 30% discount, then the cost price of the article is:

The value of $$7\frac{4}{13} \div \frac{5}{26} of \left(4\frac{3}{5} + 7\frac{2}{5}\right) + \left(7\frac{1}{6} - 2\frac{1}{3}\right)$$ is:

If $$x^2 - 3x + 1 = 0$$, then the value of $$2\left(x^8 + \frac{1}{x^8}\right) - 5\left(x^2 + \frac{1}{x^2}\right)$$ is:

The average monthly expenditure of a family was ₹18,600 during the first three months, ₹21,750 during the next four months and ₹22,840 during the last five months of a year. If the total savings during the year was ₹1,43,020, then the average monthly income(in ₹) of the family was:

Study the following bar graph and answer the question that follows.

In how many years was the export more than the average for the given period?

In $$\triangle ABC$$, if $$\angle B = 90^\circ, AB = 21$$ cm and $$BC = 20$$ cm, then $$\frac{1 + \sin A - \cos A}{1 + \sin A + \cos A}$$ is equal to:

If $$\sec \theta = \frac{65}{63}$$ and $$\theta$$ is an acute angle, then the value of $$8(\cosec \theta - \cot \theta)$$ is:

Working together, A, B and C can finish a piece of work in 3 hours. A finishes the same work in 8 hours and B finishes it in 6 hours. How long will it take for C alone to finish the same work?