Quantitative Aptitude - Arithmetic Ability Questions

A, B and C can work together for Rs. 550/- A and B together are to do 7/11 of the work. The share of C should be?

Find out the odd word/letters/number/number pair from the given alternatives.

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

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

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

$$\begin{gathered} If (x – 2)2 + (y + 3)2 + (z – 15)2 = 0, then what is the value of \\ x + y + z – 5? \end{gathered}$$

(secA - 1)/(secA + 1) is equal to?

ax + 5y = 8 has slope of -4/3. What is the value of a?