Mr Mosafeer employs 5 men who together can build a wall 12 m long in 3 days (a) How - Maths - Integers

Question

Mr Mosafeer employs 5 men who together can build a wall 12 m long
in 3 days
(a) How long would it take the men to build a wall 20 m long?
(b) How long would it take 3 men to build the 12 m wall?
(c) If the 12 m wall must be built in 2 days, how many more men
must
Mr Mosafeer employ?

Shruti Tyagi · Accepted Answer

Dear Student,

a) 12 meter long wall gets buid in=3 days1 meter long wall buid in=312=1420 meter long wall gets  buid in =14×20=5 daysb) more men will take less time to build the war, hence number of man and 5 men buids the 12 m wall in =3 days1 men can build the wall in=3×5=15 days3 man builds the wall in =153= 5 daysc) number of man who can build the wall in 3 days=5 mennumber of men who can build the wall in 1 day=3×5=15 mennumber of men who can build the wall in 2 days=152=7
5 menhence 7 5-5=2
5 more men are requiredhere 2
5 can be taken as 3 because 2
5 men is not possibleHence 3 more man are required
Regards,

Mr Mosafeer employs 5 men who together can build a wall 12 m long in 3 days. (a) How long would it take the men to build a wall 20 m long? (b) How long would it take 3 men to build the 12 m wall? (c) If the 12 m wall must be built in 2 days, how many more men must Mr Mosafeer employ?

Mr Mosafeer employs 5 men who together can build a wall 12 m long in 3 days.
(a) How long would it take the men to build a wall 20 m long?
(b) How long would it take 3 men to build the 12 m wall?
(c) If the 12 m wall must be built in 2 days, how many more men must
Mr Mosafeer employ?