1 Q. अगर 10 मजदूर एक दीवार 5 घंटे मे बनाते ह तो 20 मजदूर व्ही दीवार कितने घंटे मे बनाएँगे.
Answers
Answered by
4
Answer:
5 hours
Step-by-step explanation:
if 10 can finish in = 3hr.
,, 1. ,,. ,,. ,,. = 3/10
,,. 20 ,,. ,,. ,,. = 3/10 × 20
= 5 hours
Answered by
2
Answer:
10
Step-by-step explanation:
20 man make the wall in ten hours
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