15 Mazdoor kis Deewar ko 48 ghante Mein bana sakte hain to Kisi Kaam ko 30 ghante Mein pura karne ke liye kitne majduro ki jarurat padegi

Dear student, 
Here is indirect proportion
15×48=X×30
X=15×48/30
X=24
So 24 workers would require.
Regards. 

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