Quantitative Aptitude - Arithmetic Ability Questions

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 16% per annum is Rs 320. What is the value of given sum (in Rs)?

The sum of a fraction and 3 times its reciprocal is 31/6. What is the fraction?

A shopkeeper sells wheat at a profit of 20% and for weighing uses a weight which is 10% less than the actual weight. What is his total profit percentage?

Δ DEF is right angled at E. If m∠F = 45°, then what is the value of 2 Sin F x Cot F?

If cos -4π/3 = x, then the value of x is

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

What is the value of sin ­-300°?

In what ratio is the segment joining (-1,-12) and (3,4) divided by the x-axis?