Question

26 men can complete a piece of work in 17 days. How many more men must be hired to complete the work in 13 days?

विकल्प

• 9

• 8

• 6

• 18

Answer 1

8

Explanation:

Days	Men
\[\ce{{\underset{13}{17}}\uparrow}\]	\[\ce{\underset{x}{26}\downarrow}\]

Where x = number of men

⇒ 13 : 17 = 26 : x

⇒ 13 x = 17 × 26

⇒ x = `(17 xx 26)/13` = 34

∴ Number of additional men = 34 - 26 = 8