20 men can finish a work in 30 days after how many days should 5 men leave the work so that the work may be finished in 35 days?

20 men can finish a work in 30 days after how many days should 5 men leave the work so that the work may be finished in 35 days? Correct Answer 15

Lullaby - ঘুমপাড়ানি গান, petrify - প্রস্তরীভূত করা, Concoon - রেশমের গুটি, pacity - শান্ত করা । anger (রাগ) এর শূন্যস্থানে pacify বসবে ।
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