Coding and Decoding Questions

In a certain code, 592 means 'grapes are sweet', 374 means 'I like oranges' and 267 means 'oranges are sour'. Which digit represents sour?

If 19 $ 7 = 312 and 23 $ 9 = 448, then 31 $ 11 = ?

If 30%6 = -5, 10%5 = -2 and 10%2 = -5, then find the value of 80%8 = ?

If TABLE is written as 84973 and CHAIR is written as 51462, then how is TEACHER coded?

If EFMIJ means DELHI, then the last letter of the word got by decoding IQBOS is

After interchanging + & x and 12 &18, which of the following equations will hold true?

In a certain code language, if COTTON is coded as 325526 and WOOLEN is coded as 122976, then TOWEL will be coded as?

If 6#30=5; 8#24=3; 7#28=4; then what is the value of 8#40=?