Quantitative Aptitude - Arithmetic Ability Questions

If x = (√2 + 1)/(√2 – 1), then what is the value of (x5 + x4 + x2 + x)/x3 ?

What is the slope of the line parallel to the line passing through the points (-2, -1) and (4, -3)?

The radius of two circles is 3 cm and 4 cm. The distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common tangent to the length of the transverse common tangent?

In new government policy, the price of onion is raised by 35%. By what % should a person reduce onion consumption so that the expenditure on it does not increase?

The mode of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

If x + 3 ≤ 4x + 4 and 5(4 -­ x) ­- 4 ≥ 5x - ­2; then

In ΔABC, AD is the median and AD = (1/2)BC. If ∠ACD = 40°, then what is the value (in degrees) of ∠DAB?

The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The 15th observation is