Quantitative Aptitude - Arithmetic Ability Questions

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

The mean of marks secured by 45 students in division A of class X is 56, 40 students of division B is 52 and that of 40 students of division C is 50. Find the mean of marks of the students of three divisions of Class X.

A spaceship travels at 1,260 km/h. How many metres does it travel in 1/10 th of a second?

On selling 120 bottles, Vijay earns profit equal to the cost price of 10 bottles. What is the profit percentage?

A cylindrical capsule has hemispherical ends of the radii equal to radius of the cylindrical part. If length of the capsule is 40 m and radius 6 m, what is the total surface area of this capsule?

In the given figure, PQ is the diameter of the circle. What is the measure (in degrees) of QSR?

Two trains are moving in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then what is the speed (in km/hr) of each train?

In the series 5442673314884743581,the number of 4s that are completely divisible by the number on their right but not divisible by the number on their left is