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 $a=331, b=336$ 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

Question : If a³ + b³ = 217 and a + b = 7, then the value of ab is:

Option 1: – 6

Option 2: – 1

Option 3: 7

Option 4: 6

Question : The value of 5 ÷ [5 + 8 – {4 + (4 of 2 ÷ 4) – (2 ÷ 4 of 2)}] is:

Option 1: $\frac{20}{23}$

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

Option 3: $\frac{5}{7}$

Option 4: $\frac{20}{29}$