In a certain code language 'how old are you' is written as '9 7 3 4' and he is old' is written as '2 7 5'.How is 'he' written in that code
language ?

Among A, B, C, D and E each having scored different marks, B has scored more marks than E and D, B has not scored the highest
marks among them. Who among them scored second highest marks ?

The positions of how many digits in the number '39154326' will remain unchanged after the digits within the number are rearranged
in descending Order?

In a certain code GONE is written as '5%2#' and MEDAL is Written as '4#38@'. How is GOLD written in that code ?

3x4+18÷ 6-10=?

√? -12 =1