Vijeta Competitions Editorial Board Solutions for Chapter: Coding-Decoding, Exercise 8: EXERCISE

In a certain code, '$256$' means ‘you are good’; '$637$' means ‘we are bad' and '$358$' means 'good and bad'. Which of the following represents ‘and’ in that code?

In a certain code, '$467$' means ‘leaves are green’; '$485$' means ‘green is good' and '$639$' means ‘they are playing’. Which digit stands for 'leaves' in that code?

In a certain code language, '$851$' means ‘good sweet fruit’; '$783$' means ‘good red rose’ and '$341$' means 'rose and fruit’. Which of the following digits stands for ‘sweet’ in that language?

In a certain code language, '$479$' means ‘fruit’ is sweet’; '$248$' means 'very sweet voice’ and '$637$' means ‘eat fruit daily’. Which digit stands for ‘is' in that code?

In a certain code, '$256$' means 'red colour chalk’, '$589$' means ‘green colour flower’ and '$245$' means 'white colour chalk’. Which digit in that code means 'white'?

In a certain code, '$253$' means ‘books are old’, '$546$' means 'man is old' and '$378$' means ‘buy good books'. What stands for ‘are’ in that code?

If '$134$' means ‘you are well’, '$758$' means ‘they go home’ and '$839$' means ‘we are home’. Which of the following represents 'they' in that code language?

In a certain code language, '$3\mathrm{a}, 2\mathrm{b}, 7\mathrm{c}$' means 'Truth is Eternal’; '$7\mathrm{c}, 9\mathrm{a}, 8\mathrm{b}, 3\mathrm{a}$’ means 'Enmity is not Eternal’ and '$9\mathrm{a}, 4\mathrm{d}, 2\mathrm{b}, 8\mathrm{b}$’ means 'Truth does not perish’. Which of the following means ‘enmity’ in that language?