Sitting Arrangement in Reasoning Shortcuts | Sitting Arrangement in Hindi/Reasoning/Trick|SSC & NTPC

Give one reason for not using series arrangement for domestic circuits.

The total number of sitting arrangements of 7 persons in a row if 3 persons sit together in any order is

The total number of sitting arrangements of 7 persons in a row if 3 persons sit together in a particular order is

Sitting Arrangement(बैठक व्यवस्था)|Questions(प्रश्न:)

Sitting Arrangement(बैठक व्यवस्था)|Questions(प्रश्न:)|OMR

Sitting Arrangement(बैठक व्यवस्था)|Questions(प्रश्न:)|OMR

Arrange the following in decreasing basic order with proper reasoning.