Quantitative Aptitude - Arithmetic Ability Questions

Which of the following numbers is not composite?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 120 sq.cm and 8 cm respectively ?

Two equal sum are invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding).The sum of interest obtained after 2 years from both the schemes is Rs 3717. If both scheme have 13% per annum interest rate, then what is the first year interest (in Rs) for simple interest scheme?

A prism has a regular hexagonal base with side 6 cm. If the total surface area of prism is 216√3 cm2, then what is the height (in cm) of prism?

The average of 10 numbers is 30. If at the time of calculation one number was wrongly taken as 36 instead of 69, then what will be the correct average?

What is the simplified value of (cosec A + sin A)(cosec A – sin A)?

ΔUVW is right angled at V. If secU = 5/3, then what is the value of tanW ?

If secA + tanA = a, then the value of cosA is