$\frac{1}{\left(tanA+cotA\right)}$ is equal to
1). (cosecA + sinA)(secA - cosA)
2). √[(cosecA - sinA)(secA - cosA)]
3). √[(cosecA + sinA)(secA - cosA)]
4). (cosecA - sinA)(secA - cosA)
If 3x + 2y = 7 and 4x - y = 24, then x - y = ______.
1). 9
2). 1
3). -9
4). -1
What is the slope of the line parallel to the line passing through the points (4,-2) and (-3,5)?
1). $\frac{3}{7}$
2). 1
3). $\frac{-3}{7}$
4). -1
In a certain code language 'GASTRIC' is written as 'UCIREKT'. How will 'DECEIVE' be written in that code language?
1). ACBCCTG
2). ACACCTG
3). EGFCGXK
4). BFCCTGL
If 7A = 5B = 2C; find A : B : C.
1). 35:14:10
2). 14:10:35
3). 2:5:7
4). 10:14:35