Quantitative Aptitude - Arithmetic Ability Questions

What will come in place of the question mark in the series below?

2, 17, 89, 359, 1079, ?

What value should come in place of the question mark (?) in the following question?

52x14+145018=1998÷?

Average of 10 numbers is 14. If each number is multiplied by 6, then what will be the new average?

In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

ΔABC is right angled at B. If m∠C = 45 deg, then find the value of (cosecA - √3).

$$\begin{gathered} 4 + (16) [-10 x 25 - 13 - 3 ÷ -5] = ? \\ \end{gathered}$$

The area of a square is 30.25 cm². Find its perimeter (in cm).

∆DEF is right angled at E. If m∠F = 60 deg, then find the value of (cotD - 2/√3).