JBC Expert Team Solutions for Chapter: Model Paper, Exercise 34: Quantitative Aptitude

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

$\frac{5}{8}\times 2\frac{3}{5}÷\frac{4}{9}=?$

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

$3\frac{2}{3} + 2\frac{3}{4} + 1\frac{1}{2} = ?$

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

$5454÷54÷5 =?$

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

10000, 2000, 400, 80, 16, 3.2, ?

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

2, 10, 42, 170, ?, 2730, 10922

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

600, 519, ?, 406, 370, 345, 329

What should come in place of the question mark?

$5, ?, 15, 75, 525, 4725, 51975$

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

3, 6, 12, 24, 48, 96, ?