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14 Jan 2026, 22:00
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
82% (01:18) correct
18%
(01:13)
wrong
based on 49
sessions
History
Date
Time
Result
Not Attempted Yet
If all workers in a workshop are equally efficient, how long will it take 10 workers to pack 30 items?
(1) Five workers take 12 minutes to pack 15 items.
(2) When four workers worked for five minutes each followed by five workers working for eight minutes each, 15 items were packed.
(1) Five workers take 12 minutes to pack 15 items.
(2) When four workers worked for five minutes each followed by five workers working for eight minutes each, 15 items were packed.
15 Jan 2026, 01:31
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ExpertsGlobal5
Workers are working equally efficient.
10 workers to pack 30 items, takes how long ?
Total work = Man * Hours * Day * Efficiency
Statement 1:
Five workers take 12 minutes to pack 15 items.
Total work = Man * Hours * Day * Efficiency
15 =( 5*12*r )
30 = 10 * T*r
Dividing both,
(15/30) = (5*12*r )/(10*T*r)
T = 12 minutes.
Hence, Sufficient
Statement 2:
When four workers worked for five minutes each followed by five workers working for eight minutes each, 15 items were packed.
(4*5*r) + (5*8*r) = 15
60r = 15
10 workers work for T minutes to make 30 items.
10*r*T = 30
(60r/ 10rT) = (15/30)
T = 12
Hence, Sufficient
Option D
15 Jan 2026, 02:37
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answer is option d
we need to find the time taken for 10 workers to pack 30 items
statement 1:
5 workers take 12 mins to pack 15 items
since the efficiency is same
15=5*12*x
x=1/4
10*1/4*h=30 h=12 mins
statement 1 is sufficient
statement 2
60*x=15
x=1/4
h*10*1/4=30
h=12mins
statement 2 is also sufficient
so answer is option d
we need to find the time taken for 10 workers to pack 30 items
statement 1:
5 workers take 12 mins to pack 15 items
since the efficiency is same
15=5*12*x
x=1/4
10*1/4*h=30 h=12 mins
statement 1 is sufficient
statement 2
60*x=15
x=1/4
h*10*1/4=30
h=12mins
statement 2 is also sufficient
so answer is option d
