Quantitative Aptitude - Arithmetic Ability Questions

Simplify 576b3x2a4z3/36a3b2z

A train starts moving from a place X at 7:00 a.m. and arrives at another place Y at 1:00 p.m. on the same day. If the speed of the train is 15 m/s, then what will be the distance (in km) covered by the train?

∆DEF is right angled at E. If tanD = 4/3, then what is the value of tanF ?

ABC is an equilateral triangle and P is the orthocenter of the triangle, then what is the value (in degrees) of ∠BPC?

Find the circumference (in cm) of a circle of radius 17.5 cm.

A 600 metres long train is running at the speed of 81 km/hr. If it crosses a platform in 40 seconds, then what is the length of the platform (in metres)?

The difference between the place values of 9 and 5 in the number 428693745 is

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?