Quantitative Aptitude - Arithmetic Ability Questions

If tan θ + cot θ = x, then what is the value of tan4θ + cot4θ?

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 =0 has infinite number of solutions?

Select the odd word from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

What is the value of 64% of 75% of 8100?

In the question, two equations I and II are given. You have to solve both the equations and give answer

$$\begin{gathered} x2-11x+28=0 \\ y2-18y+81=0 \end{gathered}$$

P, Q and R together can make a table in 40 minutes. P and Q together can make it in 60 minutes. How much time (in minutes) will R alone take to make the table?

Pankaj has done 1/2 of a job in 12 days, Sainath completes the rest of the job in 6 days. In how many days can they together do the job?