Quantitative Aptitude - Arithmetic Ability Questions

The mode of the data 12, 1, 10, 1, 9, 3, 4, 9, 7, 9 is

What is the slope of the line, perpendicular to the line 3x - 6y = 4?

The distance between the centres of two circles is 61 cm and their radii are 35 cm and 24 cm. What is the length (in cm) of the direct common tangent to the circles?

The standard deviation of the set {10, 11, 12, 9, 8} is

Select the odd word from the given alternatives.

The cash difference between the selling price of an article at a profit of 2% and 18% is Rs. 3. The ratio of two selling prices is

If a3 + b3 = 35 and ab = 6, then what is the value of a + b?

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?