Quantitative Aptitude - Arithmetic Ability Questions

The diagonal of a cube is 192 cm. Its volume in cm3 will be 

ABCD is a parallelogram in which AB = 7 cm, BC = 9 cm and AC = 8 cm. What is the length (in cm) of other diagonal?

What is the value of √121 + √12321 + √1234321 + √123454321?

A certain sum of money becomes 4 times of itself in 30 years at a rate of simple interest. In how many years it will become double of itself at the same rate of simple interest?

What is the slope of the line 2x - 5y = 12?

If the selling price of an item is Rs 9750 after getting a discount of 25%, then what was its marked price (in Rs)?

Which of the following will yield a reclining decimal?

Point P is the midpoint of segment AB. Co-ordinates of point P are (2,1) and point A are (11,5). Co-ordinates of point B are