Question : If $0°<\theta<90°$, the value of $\sin\theta+\cos\theta$ is:

Option 1: Equal to 1

Option 2: Greater than 1

Option 3: Less than 1

Option 4: Equal to 2

Question : If $2=x+\frac{1}{1+\frac{1}{5+\frac{1}{2}}}$, then the value of $x$ is equal to:

Option 1: $\frac{14}{13}$

Option 2: 1

Option 3: $\frac{13}{15}$

Option 4: $\frac{15}{13}$

Question : If A : B = $\frac{1}{2}:\frac{1}{3}$, B : C = $\frac{1}{5}:\frac{1}{3}$ ,then (A + B) : (B + C) is equal to:

Option 1: 5 : 8

Option 2: 9 : 10

Option 3: 15 : 16

Option 4: 6 : 15

Question : $x$ is a negative number such that $k+k^{-1}=-2$, then what is the value of $\frac{k^2+4 k-2}{k^2+k-5}$?

Option 1: 7

Option 2: 1

Option 3: –7

Option 4: –1

Question : If $(2^{3})^{2} = 4^{x}$, then $3^{x}$ is equal to:

Option 1: $3$

Option 2: $6$

Option 3: $9$

Option 4: $27$