Let R = {(1, 2), (2, 3), (3, 3)}} be a relation defined on the set \( \{1, 2, 3, 4\} \). Then the minimum number of elements needed to be added in \( R \) so that \( R \) becomes an equivalence relation, 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 ?