If 3 is added to both the numerator and the denominator, the fraction becomes \( \frac{10}{11} \). When 4 is subtracted from both the numerator and the denominator of the same fraction. it becomes \( \frac{3}{4} \). What is the value of the fraction?
\( \frac{3}{5} \)
\( \frac{7}{8} \)
\( \frac{3}{4} \)
\( \frac{6}{13} \)
If tan θ = \( \frac{a}{b} \) such that \(\frac{a\sin\theta-b\cos\theta}{a\sin\theta+b\cos\theta}=\left[\frac{a^2-b^2}{a^2+b^2}\right]^k\) , then k is:
The 17 th Lok Sabha elections are proposed to be held in which year?