Question
Select the letter cluster from among the given option
that can replace the question mark (?) in the following series. LUI, OYF, RCC, UGZ, ?Solution
L + 3 = O, O + 3 = R, R + 3 = U, U + 3 = X U + 4 = Y, Y + 4 = C, C + 4 = G, G + 4 = K I - 3 = F, F - 3 = C, C - 3 = Z, Z - 3 = W
- If a 3 + b 3 + c 3 = 62, abc = -6 and (a + b + c) = 5, then what is the value of ab + bc + ac?
If (x + y) = 35, then find the value of (x - 10)6 + (y - 25)6.

If ab + bc + ca = 0
Find the value of 1/(a2 - bc) + 1/(b2 - ca) + 1/(c2 - ab)
If a + b + c = 8, a² + b² + c² = 18 and ab + b c+ ca = 12, then what is the value of a³ + b³ +c³ –3abc?
If a = 32, b = c = 31, then find the value of a 3 + b 3 + c 3 – 3abc.
If x =7+4√3. then find the value of x +1/ x
If n = 3 + √2, then find the value of (n + 1/n)².
If (a3+1)/(a+1) = (a3-1)/(a-1) and a ≠ 1, -1. Find the value of 'a'