If \( x = \left( 2 + \sqrt{3} \right)^3 + \left( 2 - \sqrt{3} \right)^{-3} \) and \( x^3 - 3x + k = 0 \), then the value of \( k \) is:
If in a special coded language : BOOK is written as 8 ; TABLE is written as 7 ; & BOTTLE is written as 1 ; Then, how would COMPUTER be written in that language ?
If 45% of the electric cars in State 4 are air conditioned (AC) and remaining are non-AC, what is the total number of non-AC cars ?