Quantitative Aptitude - Arithmetic Ability Questions

The sum of two fractions is 5/6. One of them is 3/4, what is the other fraction?

Rizvan walks at 15 km/hr and Ruchitha cycles at 20 km/hr towards each other. What was the distance between them when they started if they meet after 42 minutes?

A new topic named Problem Solving was also introduced and it was decided that 10% time of all topics except Arithmetic will be devoted to it. What will be the central angle (in degrees) made by Problem Solving in the new pie chart?

A can do a work in 12 days and B in 24 days. If they work on it together for 4 days, then what fraction of work is left?

For what sum will the simple interest at R% for 2 years will be R?

A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352. The sum lent at 8% is

If 14/3 + (1/2)(x - 7/3) = -2x/3, then the value of x is?

If a -­ b = 3 and ab =28, then a3 - b3 is