If in a coded manner prices of following fruits are as given in the list below
Fruit Price (per Kg)
ORANGE 10
BANANA 5.50
MANGO 10
GRAPE 9.40
Then the price (per Kg) of GUAVA is
Sum of positional values of all the letters of the word ORANGE is 15+18+1+14+7+5 = 60
Average per letter is 60/6 = 10, hence the price
Similarly for others,