84 majdur sadak ka ek takada 36 din me banate hai. bataiye kitane majdur aur lagaya jay ki sadak 21 dino me puri ho jayega.
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Answer:
60
Step-by-step explanation:
it is a question of inverse variation
first we will get total labor(majdur)=let be z
Majdur(labor) 84. z
time(din) 36. 21
84x36= zx21
84X36/21=z
12x12=z
144=z
total labor(majdur) needed to complete work is 144
more people needed =total - 84
=144-84
=60
Ans 60 more workers are needed to complete the work
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