Quantitative Aptitude - Arithmetic Ability Questions

What is the value of x3-1x3+8 when 8x-8x-16=0 ?

ΔABC and ΔDEF are two similar triangles and the perimeter of ΔABC and ΔDEF are 30 cm and 18 cm respectively. If length of DE = 36 cm, then length of AB is

If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2?

The side of an equilateral triangle is 14 cm. Find its area (in sq.cm).

Ram cycles 5 km in the south, and turns left to travel 5 km further. From there, he takes a right turn and travels 5 km more. How far is he from his original position?

Akka can bake 100 cakes in 20 hours, Akka and Tai together can bake 75 cakes in 10 hours. How many cakes Tai can bake in 20 hours?

If  P2+1P2 = 47, then the value of P + 1P is

A student has to secure 35% marks to pass in a subject. If he gets 82 and fails by 23 marks. What is the maximum marks of the subject?