Question
A contractor is hired to complete a road in 40 days and
initially employs 40 workers. After 24 days, he realizes that only one-third of the work has been completed. How many additional workers must he hire to finish the remaining work 4 days ahead of schedule?Solution
Let the number of extra men be ‘m’.
(40 × 24)/(1/3) = [(40 + m) × 12]/(2/3)
m = 120
Select the related number from the given alternatives:
11 : ? :: 10 : 1001
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B. Tissue
C. System
D. Cell
E. Organ
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If 35 @ 18 = 66 and 49 @ 22 = 136, then 23 @ 44 = '?'.
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(12, 21, 84)