Quantitative Aptitude - Arithmetic Ability Questions

A cylindrical vessel of radius 6 cm is partially filled with water. By how much will the water level rise if a sphere of radius 5 cm is completely immersed in this water? (Take π = 22/7)

A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352. The sum lent at 8% is

A sum of Rs 1200 amounts to Rs 1740 in 3 years at simple interest. If rate of interest is increased by 3%, then what will be the new amount (in Rs)?

For what sum will the simple interest at R% for 2 years will be R?

If the time increases by 7 years, then simple interest increases by Rs 8400 on a sum of Rs 6000. What is the rate (in percentage) of interest per annum?

In a Rhombus ABCD, measure of angle CAB is 30°, what is the measure of angle ABC?

Iftan 450=cot∅, then the value of ∅, in radians is 

If cos 27° = x, the value of tan 63° is