Quantitative Aptitude - Arithmetic Ability Questions

If the edge of a cube is increased by 10%, then what will be the percentage increase in its volume ?

In the question, two equations I and II are given. You have to solve both the equations and give answer

$$\begin{gathered} x2-11x+28=0 \\ y2-18y+81=0 \end{gathered}$$

Two runners A and B start running at 12 km/hr and 16 km/hr towards each other. They meet after 1 hour and 30 minutes. How far (in km) were they from each other when they started?

If the curved surface area of a right circular cone is 3080 sq cm and its slant height is 35 cm, find its total surface area?

What is the unit digit of the sum of first 111 whole numbers?

If 2x + 6y = 3xy and 10x -­ 3y = 4xy, find x, y.

What is the value of [(cos32θ + 3 cos 2θ)÷(cos6θ – sin6θ)]?

Bhanu takes a total of 6 hrs 50 min in walking a distance and running back to same place where she started. She could walk both ways in 8 hrs 30 min. The time taken by her to run both ways is :