Quantitative Aptitude - Arithmetic Ability Questions

What will be the quotient when 2143 is divided by 38?

Area of 4 walls of a cuboid 400 sq cm, its length is 15 cm and height is 8 cm. What is its breadth (in cm)?

The two equations are 4x + 4ky-6=0 and x+6y-12=0. Find the value of k for the pair of two linear equations represents the parallel lines.

In an army selection process, the ratio of selected to unselected was 3:1. If 60 less had applied and 30 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

What number should be added to each of 4, 16, 18 and 58 so that the resulting numbers will be in proportion in the given order?

For triangle PQR, find equation of altitude PS if co­-ordinates of P, Q and R are (6,2), (0,3) and (­-4,5) respectively?

tanAcosec2A is equal to

The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?