Quantitative Aptitude - Arithmetic Ability Questions

The total surface area of a hemisphere is 166.32 sq cm, find its radius?

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

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

 In the following question, select the odd letter/letters from the given alternatives.

The slopes of two lines are 1 and √3. What is the angle between these two lines?

The ratio of two numbers is 5 : 4. If the sum of both the numbers is 180, then what is the smaller number among both the numbers?

Given: 6x + 2(6-x) > 2x -2 < 5x/2 - 3x/4; then x can take which of the following values?

Find co-ordinates of the mid point of the segment joining points C (3,-5) and D (-7,3).