Quantitative Aptitude - Arithmetic Ability Questions

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

Simplify (b2x 3a2z4 ) × (b2x 4a4z3 )/(a3b2z4 )

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?

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

The radius of two cylinders are in the ratio of 3:2 and their heights are in the ratio 3:7. The ratio of their volumes is :

The line segment AB intersects the straight line CD at B; AB will be smallest when ∠ ABD (in degrees) is

The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is