X, Y and Z share Tk 1800 in such a way that X has 2.5 times as much as Y, and Y has 4 times as much as Z. How much money (in Taka) does Z receive?
Solution
Correct Answer: Option A
মনে করি,
z এর আয় = p টাকা
y এর আয় = 4p টাকা
x এর আয় = 2.5×4p টাকা = 10p টাকা
∴ x : y : z = 10p : 4p : p
= 10 : 4 : 1
তাহলে, z এর আয় = 1/(10 + 4 + 1) × 1800
= 1/15 × 1800
= 120 টাকা
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