10 మంది స్త్రీలు ఒక పనిని 6 రోజులలో చేయగలరు మరియు 6 పురుషులు అదే పనిని 5 రోజులలో చేయగలరు. ఈ స్త్రీ పురుషులందరూ కలిసి పనిచేస్తే, ఈ పనిని పూర్తి చేయడానికి ఎన్ని రోజులు పడుతుంది?

This question was previously asked in
SSC CGL 2023 Tier-I Official Paper (Held On: 19 Jul 2023 Shift 3)
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  1. \(2 \frac{8}{11}\)
  2. \(4 \frac{6}{11}\)
  3. \(1 \frac{2}{11}\)
  4. \(3 \frac{4}{11}\)

Answer (Detailed Solution Below)

Option 1 : \(2 \frac{8}{11}\)
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Detailed Solution

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ఇచ్చినది :

10 మంది మహిళలు ఒక పనిని 6 రోజుల్లో చేయగలరు.

6 మంది పురుషులు 5 రోజుల్లో అదే పనిని చేయగలరు.

ఉపయోగించిన సూత్రం:

పూర్తయిన పని = సమయం × సామర్థ్యం

గణన :

⇒ 10W × 6 = 6M × 5

⇒ 60W = 30M

⇒ W/M = 1/2

మొత్తం పని = 60

సమయం = 60/(10 × 1 + 6 × 2)

⇒ 60/22 = 30/11

\(2 \frac{8}{11}\)

∴ సరైన సమాధానం   \(2 \frac{8}{11}\) .

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