Subject
Quantitative Aptitude
Topic
Fraction
M men agree to purchase a gift for Taka D. If three men drop out how much more will each have to contribute towards the purchase of the gift?
M men agree to purchase a gift for Taka D. If three men drop out how much more will each have to contribute towards the purchase of the gift?
ক)
D/(M-3)খ)
MD/3গ)
M/(D-3)ঘ)
3D/(M2-3M)Explanation
At First, M men contributed to Tk. D 1 man contributed to Tk. D / M After 3 men leaving, (M - 3) contributed to Tk. D so, 1 man contributed to Tk. D / (M - 3) After 3 men leaving, the individual amount for each men increased. So, D / (M - 3) > D/M Now, Diference = {D / (M-3)} - (D/M) = (DM - DM + 3D) / M * (M - 3) = 3D / (M2 - 3M)Related questions
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