Quantitative Aptitude - Arithmetic Ability Questions

What is the slope of the line perpendicular to the line passing through the points (-5 , 1) and (-2 , 0)?

The mean of marks secured by 30 students in division-A of class X is 67, 55 students of division-B is 63 and that of 40 students of division-C is 61. What is the mean of marks of the students of three divisions of Class X?

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

If the length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively, then find its perimeter

The initial ratio of sugar to flour in a dough was 2 : 7. To 9 kg of the dough John added more sugar to make the sugar to flour ratio 2 : 5. How much sugar did John later add?

Deksha borrowed Rs. 500 at 5% per annum S.I. What amount (in Rs.) will she pay to clear her debt after 4 years?

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

The areas of two similar triangles ΔXYZ and ΔPQR are 100 sq cms and 25 sq cms respectively. If PQ = 4 cm then what is the length of XY (in cm)?