Quantitative Aptitude - Arithmetic Ability Questions

What is that least digit that must be added to the product 5786 × 5784 to make it a perfect square?

If (tanA + tanB)/(1 ­ tanAtanB) = x, then the value of x is

If cot 135° = x, then the value of x is

When a number is increased by 26, it becomes 113% of itself. What is the number?

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

The number of students in a class is increased by 20% and the number now becomes 66. Initially the number was

The average salary of all workers in a workshop is Rs.12000. The average salary of 7 technicians is Rs.15000 and the average salary of the rest is Rs.9000. The total number of workers in the workshop is

Incentre of Δ ABC is I. ∠ABC = 90° and ∠ACB = 70°. ∠AIC is