Quantitative Aptitude - Arithmetic Ability Questions

If cos -225° = x, then the value of x is

What is the value of (cot45 - √2) ?

What is the equation of the line passing through the point (2,-3) and making an angle of -45°with the positive X-axis?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

What is the slope of the line parallel to the line passing through the points (-­4,­-6) and (2,­-3)?

What is the difference (in Rs) between the compound interests on Rs. 1000 for 1 year at 10% per annum compounded yearly and half-yearly?

The length of each side of a rhombus is 25 m and the length of one of its diagonals is 14 m. Find the area of the rhombus?

Calculate the simple interest if Rs. 1800 is invested for 10 years at a rate of 5% per annum.