In a certain code language, ‘APPROVE’ is written as

What will come in the place of question mark (?) in the given expression?

?² = (392 × 224) ÷ (112 × 28) + 6²

If (2a + b)/(3b - 2b) = 13/2 then 'b' is what percent of 'a'?

If (x² + 1)/x = 3, what is the value of (x¹² + 1)/x ⁶ ?

If a + b + c = 5, a³ + b³ + c³ = 95 and abc =15, then find the value of a² + b² + c² – ab –bc – ca

Find the value of ‘x’ in the given expression:

(49/16)^x × (64/343)^x-1 = 4/7

If x + 1/x = 3, find the value of x³ + 1/x³.

ABCD is a cyclic quadrilateral in which AB =16.5 cm. BC = x cm. CD= 11 cm. AD 19.8 cm, and BD is bisected by AC at O. What is the value of x?

when x =5 and y =-7 then find the value of 27x³ +58x²y +31xy² +8y³?

11, 18, 27, 38, 54, 66