Quantitative Aptitude - Arithmetic Ability Questions

Point P is the midpoint of segment AB. Co-ordinates of P are (5,-4) and A are (7,0). What will be the co-ordinates of point B?

The curved surface area and the diameter of a right circular cylinder are 660 sq.cm and 21 cm respectively. Find its height (in cm).

A boat goes 8 km upstream and 12 km downstream in 7hours. It goes 9 km upstream and 18 km downstream in 9 hours. What is the speed (in km/h) of the boat in still water?

x and y are two numbers such that their mean proportion is 8 and third proportion is 512. What is the value of x and y?

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

What is the value of the expression a3 - 5 + 2816a, when a = 2?

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

Tribeni bad to travel 175 km in 3.5 hours. However, she travelled at the rate of 58 km/hr for 2.5 hoursand then rested for 20 minutes before completing the journey. If Tribeni managed to reach on time, herspeed during the last stretch would have been .........