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<html><body><h2 id="content-id-2186359740-2"><b>Time And Work Questions Overview</b></h2><p>Time And Work Questions have a good weightage in the Bank Po Exam and the type of question asked in Bank Po exam is similar to the question mentioned below. It has been solved and explained by KD Live Experts under the guidance of Neetu Mam and they have tried to elaborate the concept used in Time And Work Questions.</p><h2 id="content-id-2368501479-3"><b> Comprehension On Time And Work Questions</b></h2>Direction: Study the following table carefully and answer the questions that follow.
The table shows the time taken (in days) by five different persons (P, Q, R, S, and T) to individually complete their respective tasks on a construction site.
Note: P, Q, and R are Builders (positive work—they build the structure), while S and T are Demolishers (negative work—they break down the structure due to renovation layout changes).


	
		
			Person
			Type of Worker
			Time taken to complete individual task alone (days)
		
		
			P
			Builder (Positive Work)
			12
		
		
			Q
			Builder (Positive Work)
			15
		
		
			R
			Builder (Positive Work)
			20
		
		
			S
			Demolisher (Negative Work)
			30
		
		
			T
			Demolisher (Negative Work)
			60
		
	

<h2 id="content-id-6749215083-4"><b>Question On Time And Work </b></h2>If all three builders (P, Q, and R) work together from the beginning, how many days will they take to complete the construction work?
<div class="row show--dificulty--bar" style="margin-top:8px;"><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex !important;border-right:0.1px solid #eee;"><h3 style="font-size:12px !important;">Difficulty : Easy </h3></div><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex;"><h3 style="font-size:12px !important;"> Average Time : 64 Seconds </h3></div></div><h2 id="content-id-4579820136-5"><b> Time And Work Questions Options</b></h2><ol><li><p>4 days</p>
</li><li><p>5 days</p>
</li><li><p>6 days</p>
</li><li><p>8 days</p>
</li><li><p>7 days</p>
</li></ol> <h2 id="content-id-1398524760-6"><b> Time And Work Questions Solution</b></h2><p>The correct answer is <strong>Option 2</strong> i.e. <strong>5 days</strong>.</p>

<p>Efficiency of P = <span class="math-tex">\(1\over12\)</span> work/day</p>

<p>Efficiency of Q = <span class="math-tex">\(1\over15\)</span> work/day</p>

<p>Efficiency of R = <span class="math-tex">\(1\over20\)</span> work/day</p>

<p>Combined efficiency = <span class="math-tex">\(1\over12\)</span> + <span class="math-tex">\(1\over15\)</span> + <span class="math-tex">\(1\over20\)</span> = <span class="math-tex">\(1\over5 \)</span> work/day</p>

<p>Time taken = <span class="math-tex">\(1 \over {1\over5}\)</span> = 5 days</p>
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The correct answer is Option 2 i.e. 5 da - Time And Work Questions are asked in Bank Po exams and your question has been explained by experts like Neetu Mam.

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If all three builders P - Time And Work Questions for Bank Po

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