SSC CGL Tier 1 9 August 2015 Shift 2
For the following questions answer them individually
XY and XZ are tangents to a circle, ST is another tangent to the circle at the point R on the circle, which intersects XY and XZ at S and T respectively. If XY = 15 cm and TX = 9 cm, then RT is
Pipe A can fill a tank in 6 hours and pipe B can fill it in 4 hours. If they are opened on alternate hours and if pipe A is opened first, in how many hours, the tank shall be full ?
The printed price of an article is 40% higher than its cost price. Then the rate of discount such that he gains 12% profit is
Study the following frequency polygon and answer the questions. Given a line graph showing the number of students passed in Higher Secondary Examination in a school over the years 2008 to 2013.
For the following questions answer them individually
If $$\frac{\cos\alpha}{\sin\beta}=n$$ and $$\frac{\cos\alpha}{\cos\beta}=m$$ then the value of $$\cos^{2} \beta$$ is
