Quantitative Aptitude - Arithmetic Ability Questions

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)?(55.01+16.0003)×22.01÷10.998 =?

If 16% of an electricity bill is deducted, Rs 1806 is still to be paid. How much was the bill?

If x + 1/x = 6, then value of x2 + 1/x2 is

If 5x + 6(3-2x) = 4, then what is the value of x?

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

What is the area (in square units) of the figure enclosed by the graphs of the lines x = -4, x = 2, y = -2 and y = 3?

The average of runs scored by a cricketer in his 99 innings is 99. How many runs will he have to score in his 100th innings so that his average of runs in 100 innings may be 100?