NIELIT 2016 MAR Scientist C - Section A: 10

Question

If $34$ men completed $2/5$th of a work in $8$ days working $9$ hours a day. How many more man should be engaged to finish the rest of the work in $6$ days working $9$ hours a day?

• A. $189$
• B. $198$
• C. $102$
• D. $142$

Comments

None of the options are correct.

Answer 1

$\dfrac{34 \times 8 \times 9}{2/5} = \dfrac{M \times 6 \times 9}{3/5}$

$\implies M = 34 \times 2 = 68.$

Number of men to be added to finish the work $= 68-34 = 34$ men.