Quantitative Aptitude - Arithmetic Ability Questions

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?

The area of a circle is 616 sq.m. Find its diameter.

What is the value of (cos45° + 1/3) ?

If x , y, and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0 then (x+y+z) is equal to

Two numbers are in the ratio 3:5. If 6 is added to both of them, the ratio becomes 2:3. The numbers are

In an army selection process, the ratio of selected to unselected was 5:1. If 100 less had applied and 20 less selected, the ratio of selected to unselected would have been 6:1. How many candidates had applied for the process?

Select the odd letters from the given alternatives.

Find out the odd word/letters/number/number pair from the given alternatives.