Complex Arrangement
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Common Information

A certain family has 6 members. All of them watch television for exactly one hour starting from 6 PM till 12 AM. No two members watch together and all of them watch different programmes on different television channels. The names of the members of the family, programmes and channels are as follows:

Programmes: Shrubs, Celeb Vibes, Skyscrapers, Enemies, Stockholm Nights and Thompsons

Channels: ZED TV, Doom, 10x, Geography Channel, Sahayta and Galaxy TV

Names: Ankush, Kalpana, Shilpa, Nisha, Vicky and Vikas

The following information is known.

  1. Ankush watches his favourite programme on Geography Channel starting at 9 PM.
  2. Skyscrapers is not telecasted on either ZED TV or the Geography Channel. It follows the programme on Doom, which is preceded by the programme on ZED TV.
  3. Kalpana watches Thompsons on Galaxy TV just before turning off the television for the night.
  4. Nisha watches Celeb Vibes on Doom.
  5. Vicky follows Ankush and watches Sahayta.
  6. Shilpa watches Shrubs.
Q.

Common Information Question: 3/5

Which programme is shown between 7 PM and 8 PM?

 A.

Shrubs

 B.

Stockholm Nights

 C.

Enemies

 D.

Thompsons

 E.

None of these

 Hide Ans

Solution:
Option(E) is correct

Let us analysis the information and prepare a consolidated table.

We first choose short forms as follows:

Shrubs, Celeb Vibes, Skyscrapers, Enemies, Stockholm Nights and Thompsons: SH, CV, SK, E, SN and T respectively.

ZED TV, Doom, 10x, Geography Channel, Sahayta and Galaxy TV: ZTV, D, 10, GC, S and GTV respectively

Ankush, Kalpana, Shilpa, Nisha, Vicky and Vikas: A, K, S, N, Vc and Vk

Table would initially look like this:

Table below can be scrolled horizontally

Eliminated Options Time Slot Name Programme Channel
  6 – 7      
  7 – 8      
  8 – 9      
  9 – 10      
  10 – 11      
  11 – 12      

1. Ankush watches his favourite programme on the Geography Channel starting at 9 PM: We can therefore write Ankush’s name in the 9 – 10 PM slot and fill in the channel as well. Remember to eliminate these options for the other slots.

2. Skyscrapers is not telecasted on ZED TV or the Geography Channel. It follows the programme on Doom, which is preceded by the programme on ZED TV: Thus the order would be Zed TV, followed by Doom and then the channel on which Skyscrapers is telecasted. But as of now, we don’t know for which slots, this order will fit.

But we know that Geography channel is watched in the 9-10 slot. So these three channels have to be the first three channels to be watched. It follows that Skyscrapers is the third programme watched. We thus fill in ZED TV and Doom in the first two slots, and eliminate them for the others. We also eliminate Skyscrapers for all the slots except 8-9.

3. Kalpana watches the Thompsons on Galaxy TV, just before turning off the television for the night: We know from this condition that Kalpana watches Thompsons; that Thompsons is shown on Galaxy TV, and that it is the last programme watched. We fill in all the boxes for the last slot, therefore, and eliminate the filled options for the other slots.

The table at this point looks like this:

Table below can be scrolled horizontally

Eliminated Options Time Slot Name Programme Channel
GC, A, SK, K, T 6 – 7     ZED TV
GC, A, SK, K, T 7 – 8     Doom
A, GC, ZTV, D, GTV, K, 8 – 9   Skyscrapers  
SK, T 9 – 10 Ankush   Geography Channel
A, GC, ZTV, D, GTV, SK, K, T 10 – 11      
GC, GTV, A, ZTV, D, SK 11 - 12 Kalpana Thompsons Galaxy TV

4. Nisha watches Celeb Vibes on Doom: We already know that Doom occupies the second slot. We thus write this information against Slot 2 and eliminate for the other slots.

5. Vicky follows Ankush and watches Sahayta: Since Ankush watches television in the fourth slot, we know that Vicky must occupy the fifth slot. We fill in Sahayta against his name.

At this point, it can be observed that all the Channels except 10x are eliminated for the third slot.Thus, 10x is watched in the third slot.

6. Shilpa watches the Shrubs: The only slots left without a name are the 1st and the 3rd. Since Skyscrapers is watched in the third slot, Shrubs is watched in the first slot, which means that Shilpa occupies the first slot.

The only name left is that of Vikas, and we write it in Slot 3.

The final table that is obtained after analysing all the information is as below:

Table below can be scrolled horizontally

Time Slot Name Programme Channel
6 – 7 Shilpa Shrubs ZED TV
7 – 8 Nisha Celeb Vibes Doom
8 – 9 Vikas Skyscrapers 10x
9 – 10 Ankush   Geography Channel
10 – 11 Vicky   Sahayta
11 - 12 Kalpana Thompsons Galaxy TV

Enemies and Stockholm Nights will be watched in any order in the fourth and the fifth slots.

Referring to the table, we know that Celeb Vibes is shown between 7 PM and 8 PM.

Hence, option E is the correct choice.


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