Quantitative Aptitude - Arithmetic Ability Questions

Ram travels 4/9th of the total journey by bus, 5/18th by rail and the remaining 10 km on foot. Find the distance of total journey.

The least number of square tiles of side 41 cms required to pave the ceiling of a room of size 15m 17cm long and 9m 2 cm broad is:

An equilateral triangle ABC is inscribed in a circle of radius 20√3.
The centroid of the triangle ABC is at a distance d from the vertex A. What is d equal to ?

If compound interest received on a certain amount in the 3rd year is Rs. 1,240, what will be the compound interest (in Rs) for the 4th year on the same amount at 9% rate of interest?

When a number is increased by 21, it becomes 114% of itself. What is the number?

An angle is smaller than its supplementary angle by 50°. What is the measure of the angle?

If x+1/x = 2, then the value of x7+2/x6 is equal to?

If a-b=1 and a3-b3 = 61, then the value of ab will be