Seven Persons A, B, C, D, E, F and G are employees of Adobe system pvt. Ltd. working in different department viz. IT, Software, Mechanical, Civil, Computer, Electrical and Geo science but not necessarily in the same order. They have mobile phone of different brands viz. Apple, Samsung, Lenovo, Micromax, Intex, Lava and Xaiomi but not necessarily in the same order. Each one uses different language for communication viz. Tamil, Kannada, Telugu, Hindi, Marathi, Punjabi and Bangla but not necessarily in the same order. C is working in Software department and he does not use Tamil and Marathi for communication and he does not have Apple and Intex mobile phone. D’s language is Punjabi and he is working in IT department and has Micromax mobile phone. G is working in Geo science and his language is Hindi and he doesn’t have Samsung phone. E is not working in Computer department and F has Intex mobile phone. Lava and Lenovo are being used by E and A respectively. E and F are not working in Mechanical and none of them uses Marathi language. E has neither Apple nor Samsung mobile phone. B is working in Civil department and have Xaiomi brand phone and his language is Telugu. The one who is working in Electrical department uses Bangla language and doesn’t have Apple brand phone.

Explanation

Step I: D’s language is Punjabi and he is working in IT department and has Micromax mobile phone. G is working in Geo science and his language is Hindi and he doesn’t have Samsung phone. E is not working in Computer department and F has Intex mobile phone. Lava and Lenovo are being used by E and A respectively. B is working in Civil department and have Xaiomi brand phone and his language is Telugu.

Step II: C is working in Software department and he does not use Tamil and Marathi for communication and he does not have Apple and Intex mobile phone.

Step III: So, it is clear that C has Samsung and G has Apple. E and F are not working in Mechanical and none of them uses Marathi language.

Step IV: Now, remaining A is working in Mechanical department and use Marathi language. F is working in computer department and E is working in Electrical department. The one who is working in Electrical department uses Bangla language and doesn’t have Apple brand phone. So, E use Bangla language and F use Tamil language. Remaining C use Kannada language. So, the final arrangement is-