Narrations Summary

Wall Stick Summary (Page-1)

Since there are hundreds of rules and all cannot be memorized, it is recommended to download this summary and stick it on the wall for practicing rules thoroughly.

Download Narration Summary-1

Wall Stick Summary (Page-2)

Since there are hundreds of rules and all cannot be memorized, it is recommended to download this summary and stick it on the wall for practicing rules thoroughly.

Download Narration Summary-2

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Test Attempted

Ankit kumar

Just attempted SSC CGL 2021 Tier-I (HO 11/04/2022 S-1) Test
Scored::69.5/ 200
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Salman ali

Just attempted SSC CHSL- 2020 (HO:19/04/2021 Shift 1) Test
Scored::29/ 200
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Vijesh

Just attempted Pipe & Cistern (Video Solutions) Test
Scored::25/ 60
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Lakshminarayana

Just attempted SSC CHSL- 2020 (HO:04/08/2021 Shift 2) Test
Scored::19.5/ 200
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Salman ali

Just attempted SSC CHSL- 2020 (HO:16/04/2021 Shift 1) Test
Scored::38/ 200
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Ytube Answers

Two pipes can fill a tank in 15 hours and 4 hours, respectively, while a third pipe can empty it in 12 hours. How long (in hours) will it take to fill the empty tank if all the three pipes are opened simultaneously?