Math, asked by saikrishna904, 6 hours ago

15 men dug a trench of 90m long in 3hours how long will it take 16 men to dig a trench of 48m ?

Answers

Answered by TahooraFatima
2

Answer:

90 min or 1½ hour will be taken for 16 men to dig a trench of 48 m

the process is above in the pic

Attachments:
Answered by dkchakrabarty01
1

Answer:

15 men dug 90m in 3 hours

15 men dug 1m in 3/90 hours

1 man will dug 1m in (3/90)×15 hrs=1/2 hrs

16 men will dug 1,m in (1/2)/16=1/32 hrs

16 men will dug 48 m in (1/32)×48=3/2 hrs

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