Question : Directions: In a certain code language, RIVER is written as 10–3–5–2–10 then how will PETROL be written in the same code language?

Option 1: 13–5–8–9–4–15

Option 2: 12–2–8–10–13–15

Option 3: 11–2–7–10–13–16

Option 4: 12–2–8–10–4–16

Question : If $3A=5B$, what is the value of $\frac{A+B}{B}$?

Option 1: $\frac{8}{3}$

Option 2: $\frac{8}{5}$

Option 3: $\frac{5}{8}$

Option 4: $\frac{5}{3}$

Question : If $(\frac{x}{y})^{5a-3}=(\frac{y}{x})^{17-3a}$, then what is the value of $a$?

Option 1: –7

Option 2: –5

Option 3: 0

Option 4: 3

Question : If $\sqrt{0.04\times 0.4\times a}=0.004\times 0.4\times \sqrt{b},$ then the value of $\frac{a}{b}$ is:

Option 1: $16\times 10^{-3}$

Option 2: $16\times 10^{-4}$

Option 3: $16\times 10^{-5}$

Option 4: $16 \times 10^{-6}$

Question : If $a=331, b=336$ and $c=–667$, then the value of $a^3+b^3+c^3–3abc$ is:

Option 1: 1

Option 2: 63

Option 3: 3

Option 4: 0