SSC CHSL 13th April 2021 Shift-2

If $$a^2 + b^2 = 25, x^2 + y^2 = 17$$ and $$ax + by = 8$$, then what is the value of $$(ay - bx)$$?

The marked price of an article is ₹1,000. After two successive discounts, it is sold for ₹600.If the first discountis x%, and the second discountis 25%, then whatis the value of x?

If $$0^\circ < \theta < 90^\circ$$, then $$\frac{(1 - \sin \theta)(\sec \theta + \tan \theta)\tan \theta}{(\tan \theta + \sec \theta + 1)(\cot \theta - \cosec \theta + 1)} = ?$$

In a survey it was found that in a constituency, 55% ofvoters are male and the rest are female. 40% of the male voters are literate and $$33\frac{1}{3}\%$$ of the female voters are illiterate. What percentage of the voters are literate?

The value of $$\frac{96 \div 16 of 2 - 128 \times 2 \div 32 + 15 of 4}{\frac{5}{6} of \frac{2}{3}\left(\frac{1}{3} - \overline{\frac{1}{4} - \frac{1}{6}}\right)}$$ is:

On which river is the Peacock Island located?

Who among the following was a leader who led a revolt against the British rule from North East India?

In which state is India’s least densely populated district Dibang Valley located as per Census 2011?

Which Indian actor got the Best Actor Award at Indo-German Film Week in 2020?

In which of the following cities is the headquarters of All India Chess Federation situated?